Question 1

To accept a null-hypothesis, the probability of your test statistic normally has to be higher than ________.

Accepted Answer

A)  0.01 
B)  0.05 
C)  0.1 
D)  0.5 
A)  0.01 
B)  0.05 
C)  0.1 
D)  0.5

Question 2

Rachel's research has found waiting times at a hospital clinic have a mean of 35 minutes. However, some times are busier than others and waiting times vary from 5 minutes one day to 3 hours on another. What statistic will be best to describe the extent to which the waiting times in her data differ from the mean?

Accepted Answer

A)  Mean range 
B)  Standard deviation 
C)  Inter-quartile range 
D)  None of these 
A)  Mean range 
B)  Standard deviation 
C)  Inter-quartile range 
D)  None of these

Question 3

Data which are 'positively skewed' have values concentrated on the ________ .

Accepted Answer

A)  Right of the central point 
B)  Left of the central point 
C)  Top half of the curve 
D)  Bottom half of the curve 
A)  Right of the central point 
B)  Left of the central point 
C)  Top half of the curve 
D)  Bottom half of the curve

Question 4

The dependent variable should be plotted on the vertical axis of a graph.

Accepted Answer

A) True 
 B)False

Question 5

The boxed area of a 'box plot' depicts the _________.

Accepted Answer

A)  Outliers 
B)  Median value 
C)  Highest and lowest values 
D)  Middle 50% of the data 
A)  Outliers 
B)  Median value 
C)  Highest and lowest values 
D)  Middle 50% of the data

Question 6

A paired t test can be used where data for a quantifiable variable can be divided into two distinct groupings using a descriptive variable.

Accepted Answer

A) True 
 B)False

Question 7

Which statistical test should you use to assess the strength of a linear relationship between variables?

Accepted Answer

A)  Correlation 
B)  ANOVA 
C)  Chi-square test 
D)  Regression 
A)  Correlation 
B)  ANOVA 
C)  Chi-square test 
D)  Regression

Question 8

Sam has included an open question on her questionnaire asking respondents to explain their reasons for choosing a brand of lager. This data are likely to be coded ________.

Accepted Answer

A)  Before collection 
B)  During collection 
C)  Twice 
D)  After collection 
A)  Before collection 
B)  During collection 
C)  Twice 
D)  After collection

Question 9

The Type I error concludes that you accept the null hypothesis although there is a significant relationship.

Accepted Answer

A) True 
 B)False

Question 10

Data whose values cannot be measured numerically but can be classified into descriptive sets or placed in rank order are called ________ data.

Accepted Answer

A)  Categorical 
B)  Qualitative 
C)  Interval 
D)  Ratio 
A)  Categorical 
B)  Qualitative 
C)  Interval 
D)  Ratio

Question 11

Why might a researcher want to weight the cases in their dataset?

Accepted Answer

A)  To make up for missing data 
B)  To avoid under-representation in stratified samples 
C)  To attach significance to the most important data 
D)  To increase response rates 
A)  To make up for missing data 
B)  To avoid under-representation in stratified samples 
C)  To attach significance to the most important data 
D)  To increase response rates

Question 12

Jemma is unsure whether to use a t test to see whether two groups are significantly related. Her ratio data, consisting of 120 cases, are skewed and the two groups are have different variances. She should ________.

Accepted Answer

A)  Not use the t-test, it is only suitable for nominal data 
B)  Use the t test but make a note in her project that the assumptions of the test were not satisfied 
C)  Not use the t test, the assumptions of the test are not been satisfied 
D)  Use the t test, it is suitable for her data and the assumptions of the test have been satisfied 
A)  Not use the t-test, it is only suitable for nominal data 
B)  Use the t test but make a note in her project that the assumptions of the test were not satisfied 
C)  Not use the t test, the assumptions of the test are not been satisfied 
D)  Use the t test, it is suitable for her data and the assumptions of the test have been satisfied

Question 13

What do you need to undertake to predict the value of a variable from two or more other variables?

Accepted Answer

A)  Regression analysis 
B)  Correlation analysis 
C)  Prediction analysis 
D)  Variable analysis 
A)  Regression analysis 
B)  Correlation analysis 
C)  Prediction analysis 
D)  Variable analysis

Question 14

Proportions are more appropriately represented on a pictogram than a pie chart.

Accepted Answer

A) True 
 B)False

Question 15

Marianna wants to compare the relative extent to which sales of two companies products have changed over the past 10 years. She has obtained sales data from both companies for each of the past ten years. Which statistic will best allow her to do this?

Accepted Answer

A)  Index numbers 
B)  Coefficient of variation 
C)  Index variation 
D)  Change index 
A)  Index numbers 
B)  Coefficient of variation 
C)  Index variation 
D)  Change index

Question 16

What do graphs, charts and statistics help researchers do with their data?

Accepted Answer

A)  Present their findings 
B)  Describe relationships between variables 
C)  Examine trends in the data 
D)  All of these 
A)  Present their findings 
B)  Describe relationships between variables 
C)  Examine trends in the data 
D)  All of these

Question 17

Which statistical test should you use to test the association between variables?

Accepted Answer

A)  ANOVA 
B)  Kolmogorov-Smirnov test 
C)  Independent groups t-test 
D)  Chi square test 
A)  ANOVA 
B)  Kolmogorov-Smirnov test 
C)  Independent groups t-test 
D)  Chi square test

Question 18

Alexis needs to identify the point at which falling sales revenues are matched by rising costs. Which diagram would be most appropriate for her to use?

Accepted Answer

A)  Multiple line graph 
B)  Pie chart 
C)  Histogram 
D)  Any of these 
A)  Multiple line graph 
B)  Pie chart 
C)  Histogram 
D)  Any of these

Question 19

Which of the following is NOT a type of categorical data?

Accepted Answer

A)  Dichotomous 
B)  Nominal 
C)  Ordinal 
D)  Discrete 
A)  Dichotomous 
B)  Nominal 
C)  Ordinal 
D)  Discrete

Question 20

Processing and analysing information turns it into useful data.

Accepted Answer

A) True 
 B)False

To accept a null-hypothesis, the probability of your test statistic normally has to be higher than ________.

Data which are 'positively skewed' have values concentrated on the ________ .

The dependent variable should be plotted on the vertical axis of a graph.

The boxed area of a 'box plot' depicts the _________.

A paired t test can be used where data for a quantifiable variable can be divided into two distinct groupings using a descriptive variable.

Which statistical test should you use to assess the strength of a linear relationship between variables?

Sam has included an open question on her questionnaire asking respondents to explain their reasons for choosing a brand of lager. This data are likely to be coded ________.

The Type I error concludes that you accept the null hypothesis although there is a significant relationship.

Data whose values cannot be measured numerically but can be classified into descriptive sets or placed in rank order are called ________ data.

Why might a researcher want to weight the cases in their dataset?

Jemma is unsure whether to use a t test to see whether two groups are significantly related. Her ratio data, consisting of 120 cases, are skewed and the two groups are have different variances. She should ________.

What do you need to undertake to predict the value of a variable from two or more other variables?

Proportions are more appropriately represented on a pictogram than a pie chart.

Marianna wants to compare the relative extent to which sales of two companies products have changed over the past 10 years. She has obtained sales data from both companies for each of the past ten years. Which statistic will best allow her to do this?

What do graphs, charts and statistics help researchers do with their data?

Which statistical test should you use to test the association between variables?

Alexis needs to identify the point at which falling sales revenues are matched by rising costs. Which diagram would be most appropriate for her to use?

Which of the following is NOT a type of categorical data?

Processing and analysing information turns it into useful data.

The Nature of Business and Management Research and Structure of This Book

Formulating and Clarifying the Research Topic

Critically Reviewing the Literature

Understanding Research Philosophies and Approaches

Formulating the Research Design

Negotiating Access and Research Ethics

Selecting Samples

Using Secondary Data

Collecting Primary Data Through Observation

Collecting Primary Data Using Semi-Structured, In-Depth and Group Interviews

Collecting Primary Data Using Questionnaires

Analysing Qualitative Data

Writing and Presenting Your Project Report

Filters

Exam 12: Analysing Quantitative Data

To accept a null-hypothesis, the probability of your test statistic normally has to be higher than ________.

Data which are 'positively skewed' have values concentrated on the ________ .

The dependent variable should be plotted on the vertical axis of a graph.

The boxed area of a 'box plot' depicts the _________.

A paired t test can be used where data for a quantifiable variable can be divided into two distinct groupings using a descriptive variable.

Which statistical test should you use to assess the strength of a linear relationship between variables?

Sam has included an open question on her questionnaire asking respondents to explain their reasons for choosing a brand of lager. This data are likely to be coded ________.

The Type I error concludes that you accept the null hypothesis although there is a significant relationship.

Data whose values cannot be measured numerically but can be classified into descriptive sets or placed in rank order are called ________ data.

Why might a researcher want to weight the cases in their dataset?

Jemma is unsure whether to use a t test to see whether two groups are significantly related. Her ratio data, consisting of 120 cases, are skewed and the two groups are have different variances. She should ________.

What do you need to undertake to predict the value of a variable from two or more other variables?

Proportions are more appropriately represented on a pictogram than a pie chart.

Marianna wants to compare the relative extent to which sales of two companies products have changed over the past 10 years. She has obtained sales data from both companies for each of the past ten years. Which statistic will best allow her to do this?

What do graphs, charts and statistics help researchers do with their data?

Which statistical test should you use to test the association between variables?

Alexis needs to identify the point at which falling sales revenues are matched by rising costs. Which diagram would be most appropriate for her to use?

Which of the following is NOT a type of categorical data?

Processing and analysing information turns it into useful data.

The Nature of Business and Management Research and Structure of This Book

Formulating and Clarifying the Research Topic

Critically Reviewing the Literature

Understanding Research Philosophies and Approaches

Formulating the Research Design

Negotiating Access and Research Ethics

Selecting Samples

Using Secondary Data

Collecting Primary Data Through Observation

Collecting Primary Data Using Semi-Structured, In-Depth and Group Interviews

Collecting Primary Data Using Questionnaires

Analysing Qualitative Data

Writing and Presenting Your Project Report

Filters