Question 1

What does the Σ symbol represent?

Accepted Answer

A) the mean 
B) the sum of values 
C) the sample size 
D) an individual score 
A) the mean 
B) the sum of values 
C) the sample size 
D) an individual score

Question 2

What is the Greek name for the letter Σ?

Accepted Answer

A) phi 
B) rho 
C) sigma 
D) alpha 
A) phi 
B) rho 
C) sigma 
D) alpha

Question 3

The value most often used to represent an entire group of scores is the ______.

Accepted Answer

A) mode 
B) N 
C) median 
D) mean 
A) mode 
B) N 
C) median 
D) mean

Question 4

Which of the following symbols represents sample size?

Accepted Answer

A) X 
B) y 
C) n 
D) M 
A) X 
B) y 
C) n 
D) M

Question 5

The measure of central tendency most influenced by outliers is the ______.

Accepted Answer

A) median 
B) mode 
C) mean 
D) variance 
A) median 
B) mode 
C) mean 
D) variance

Question 6

Why is the mean the most frequently used measure of central tendency?

Accepted Answer

When the distribution of score

Question 7

What is the mode of the following data: 52 bowls of spaghetti,37 bowls of cereal,14 sandwiches,and 17 personal pizzas?

Accepted Answer

A) 14 
B) bowls of spaghetti 
C) 52 
D) sandwiches 
A) 14 
B) bowls of spaghetti 
C) 52 
D) sandwiches

Question 8

What impact do extreme scores have on the median?

Accepted Answer

A) a positive skew 
B) a negative skew 
C) minimal impact 
D) nullifies the value 
A) a positive skew 
B) a negative skew 
C) minimal impact 
D) nullifies the value

Question 9

What is meant by the term outlier?

Accepted Answer

An outlier refers to

Question 10

What is the mean value of the following scores: 12,25,15,27,32,8?

Accepted Answer

A) 19.83 
B) 21.24 
C) 20.00 
D) 19.98 
A) 19.83 
B) 21.24 
C) 20.00 
D) 19.98

Question 11

What is the mean value of the following scores: 117,132,147,156,196?

Accepted Answer

A) 151.2 
B) 149.6 
C) 147.0 
D) 148.7 
A) 151.2 
B) 149.6 
C) 147.0 
D) 148.7

Question 12

Measures of central tendency can also be described as ______.

Accepted Answer

A) statistical measures 
B) measures of variability 
C) averages 
D) deviation scores 
A) statistical measures 
B) measures of variability 
C) averages 
D) deviation scores

Question 13

Which of the following symbols represents the individual score?

Accepted Answer

A) X 
B) n 
C) N 
D) Σ 
A) X 
B) n 
C) N 
D) Σ

Question 14

What is the 25th percentile also known as?

Accepted Answer

A) Q1 
B) Q2 
C) Q3 
D) Q4 
A) Q1 
B) Q2 
C) Q3 
D) Q4

Question 15

When is the mode the best measure of central tendency to use?

Accepted Answer

The mode should be u

Question 16

Market researchers sent out a survey to college students in Ohio to assess their preferences regarding three different brands of honey.When examining the average preference of the respondents,which measure of central tendency is most likely to be used to describe them?

Accepted Answer

A) median 
B) mean 
C) mode 
D) weighted mean 
A) median 
B) mean 
C) mode 
D) weighted mean

Question 17

What is the median for the following amounts: $13,400;$17,560;$45,440;$68,550;$96,400?

Accepted Answer

A) $13,400 
B) $48,240 
C) $45,440 
D) $96,400 
A) $13,400 
B) $48,240 
C) $45,440 
D) $96,400

Question 18

The ______ is the value that best represents an entire group of scores.

Accepted Answer

A) mean 
B) median 
C) mode 
D) average 
A) mean 
B) median 
C) mode 
D) average

Question 19

The measure of central tendency considered the least precise is the ______.

Accepted Answer

A) median 
B) mode 
C) mean 
D) average 
A) median 
B) mode 
C) mean 
D) average

What does the Σ symbol represent?

What is the Greek name for the letter Σ?

The value most often used to represent an entire group of scores is the ______.

Which of the following symbols represents sample size?

The measure of central tendency most influenced by outliers is the ______.

Why is the mean the most frequently used measure of central tendency?

What is the mode of the following data: 52 bowls of spaghetti,37 bowls of cereal,14 sandwiches,and 17 personal pizzas?

What impact do extreme scores have on the median?

What is meant by the term outlier?

What is the mean value of the following scores: 12,25,15,27,32,8?

What is the mean value of the following scores: 117,132,147,156,196?

Measures of central tendency can also be described as ______.

Which of the following symbols represents the individual score?

What is the 25th percentile also known as?

When is the mode the best measure of central tendency to use?

Market researchers sent out a survey to college students in Ohio to assess their preferences regarding three different brands of honey.When examining the average preference of the respondents,which measure of central tendency is most likely to be used to describe them?

What is the median for the following amounts: $13,400;$17,560;$45,440;$68,550;$96,400?

The ______ is the value that best represents an entire group of scores.

The measure of central tendency considered the least precise is the ______.

Statistics or Sadistics Its up to You

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

Exam 2: Means to an End: Computing and Understanding Averages

What does the Σ symbol represent?

What is the Greek name for the letter Σ?

The value most often used to represent an entire group of scores is the ______.

Which of the following symbols represents sample size?

The measure of central tendency most influenced by outliers is the ______.

Why is the mean the most frequently used measure of central tendency?

What is the mode of the following data: 52 bowls of spaghetti,37 bowls of cereal,14 sandwiches,and 17 personal pizzas?

What impact do extreme scores have on the median?

What is meant by the term outlier?

What is the mean value of the following scores: 12,25,15,27,32,8?

What is the mean value of the following scores: 117,132,147,156,196?

Measures of central tendency can also be described as ______.

Which of the following symbols represents the individual score?

What is the 25th percentile also known as?

When is the mode the best measure of central tendency to use?

Market researchers sent out a survey to college students in Ohio to assess their preferences regarding three different brands of honey.When examining the average preference of the respondents,which measure of central tendency is most likely to be used to describe them?

What is the median for the following amounts: $13,400;$17,560;$45,440;$68,550;$96,400?

The ______ is the value that best represents an entire group of scores.

The measure of central tendency considered the least precise is the ______.

Statistics or Sadistics Its up to You

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two: Tests Between the Means of Different Groups

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters