Question 1

A curve that never changes direction is called a(n)____ curve.

Accepted Answer

A)  monotonic 
B)  nonmonotonic 
C)  U-shaped 
D)  inverted 
A)  monotonic 
B)  nonmonotonic 
C)  U-shaped 
D)  inverted A

Question 2

A scientist placed some bacteria in a sterile dish of agar.He counted the number of live bacteria at regular intervals afterward.He observed that at first the bacteria grew slowly at first,and then they increased very rapidly in number.Finally,the count leveled off and then declined rapidly as the food supply was used up.A graph of this relationship would be

Accepted Answer

A)  U-shaped 
B)  linear 
C)  monotonic 
D)  nonmonotonic 
A)  U-shaped 
B)  linear 
C)  monotonic 
D)  nonmonotonic D

Question 3

You should connect the data points with straight lines,instead of a smooth curve,unless

Accepted Answer

A)  the data points describe a curvilinear relationship 
B)  you could write the mathematical equation for the curve 
C)  the line would be nonmonotonic 
D)  None of these. You should always connect the data points with straight lines. 
A)  the data points describe a curvilinear relationship 
B)  you could write the mathematical equation for the curve 
C)  the line would be nonmonotonic 
D)  None of these. You should always connect the data points with straight lines. B

Question 4

A(n)____ shows the same information as a frequency table in a graphical format.

Accepted Answer

A)  scattergram 
B)  frequency distribution 
C)  ungrouped frequency distribution 
D)  rank-order distribution 
A)  scattergram 
B)  frequency distribution 
C)  ungrouped frequency distribution 
D)  rank-order distribution

Question 5

A bar graph should be used when the

Accepted Answer

A)  independent variable is a discrete variable 
B)  independent variable is a continuous variable 
C)  dependent variable is a discrete variable 
D)  depend variable is a continuous variable 
A)  independent variable is a discrete variable 
B)  independent variable is a continuous variable 
C)  dependent variable is a discrete variable 
D)  depend variable is a continuous variable

Question 6

Error bars can be misleading when

Accepted Answer

A)  data are normally distributed 
B)  data are skewed 
C)  different groups have different amounts of variability 
D)  Both a and c are true. 
A)  data are normally distributed 
B)  data are skewed 
C)  different groups have different amounts of variability 
D)  Both a and c are true.

Question 7

Before inferential statistics are performed,you should

Accepted Answer

A)  Calculate descriptive statistics 
B)  Represent the data in a table 
C)  Represent the data in a graph 
D)  All of the above 
A)  Calculate descriptive statistics 
B)  Represent the data in a table 
C)  Represent the data in a graph 
D)  All of the above

Question 8

Scattergrams represent data commonly analyzed by which statistic?

Accepted Answer

A)  t-test 
B)  Chi square 
C)  correlation coefficient 
D)  analysis of variance 
A)  t-test 
B)  Chi square 
C)  correlation coefficient 
D)  analysis of variance

Question 9

If the independent variable in an experiment is gender,it would be appropriate to use a ____ to represent the data

Accepted Answer

A)  scattergram 
B)  bar graph 
C)  cumulative record 
D)  line graph 
A)  scattergram 
B)  bar graph 
C)  cumulative record 
D)  line graph

Question 10

A raw data set must be carefully considered before it is entered into an analysis.Why? What sort of data might be excluded from analysis?

Accepted Answer

Raw data sets must be carefully consider

Question 11

Invalid data are

Accepted Answer

A)  data that don't fit your theory 
B)  values that are impossible 
C)  outliers 
D)  missing data 
A)  data that don't fit your theory 
B)  values that are impossible 
C)  outliers 
D)  missing data

Question 12

Which of the following is a display of numerical data in rows and columns of a matrix?

Accepted Answer

A)  graph 
B)  figure 
C)  histogram 
D)  table 
A)  graph 
B)  figure 
C)  histogram 
D)  table

Question 13

Box and Whisker plots are particularly useful in describing data that are

Accepted Answer

A)  normally distributed 
B)  described by mean and standard deviation 
C)  symmetrical 
D)  None of these are true. 
A)  normally distributed 
B)  described by mean and standard deviation 
C)  symmetrical 
D)  None of these are true.

Question 14

Discuss the normal distribution in relation to measures of central tendency (mean,median,and mode).How does it differ from a skewed distribution?

Accepted Answer

The answer of Discuss the normal distribution in relation to...

Question 15

Which one of the following graphs would be used as a preliminary step in correlational analysis?

Accepted Answer

A)  bar graph 
B)  scattergram 
C)  line graph 
D)  frequency distribution graph 
A)  bar graph 
B)  scattergram 
C)  line graph 
D)  frequency distribution graph

Question 16

In a frequency table,the rows indicate

Accepted Answer

A)  possible scores 
B)  information about the possible scores 
C)  frequency of the possible scores 
D)  a tally of the possible scores 
A)  possible scores 
B)  information about the possible scores 
C)  frequency of the possible scores 
D)  a tally of the possible scores

Question 17

Percentiles can be determined directly from a ____

Accepted Answer

A)  scattergram 
B)  bar graph 
C)  frequency distribution 
D)  cumulative frequency distribution 
A)  scattergram 
B)  bar graph 
C)  frequency distribution 
D)  cumulative frequency distribution

Question 18

A bell-shaped curve that happens to describe many frequency distributions that occur in nature is called a:

Accepted Answer

A)  scattergram 
B)  bar graph 
C)  skewed distribution 
D)  normal curve 
A)  scattergram 
B)  bar graph 
C)  skewed distribution 
D)  normal curve

Question 19

Which one of the following terms least belongs with the others?

Accepted Answer

A)  X-axis 
B)  Y-axis 
C)  independent variable values 
D)  horizontal 
A)  X-axis 
B)  Y-axis 
C)  independent variable values 
D)  horizontal

Question 20

The coding guide lists

Accepted Answer

A)  the columns in which variables can be found 
B)  the names of all variables 
C)  acceptable values of all variables 
D)  All of these are true. 
A)  the columns in which variables can be found 
B)  the names of all variables 
C)  acceptable values of all variables 
D)  All of these are true.

A curve that never changes direction is called a(n)____ curve.

You should connect the data points with straight lines,instead of a smooth curve,unless

A(n)____ shows the same information as a frequency table in a graphical format.

A bar graph should be used when the

Error bars can be misleading when

Before inferential statistics are performed,you should

Scattergrams represent data commonly analyzed by which statistic?

If the independent variable in an experiment is gender,it would be appropriate to use a ____ to represent the data

A raw data set must be carefully considered before it is entered into an analysis.Why? What sort of data might be excluded from analysis?

Invalid data are

Which of the following is a display of numerical data in rows and columns of a matrix?

Box and Whisker plots are particularly useful in describing data that are

Discuss the normal distribution in relation to measures of central tendency (mean,median,and mode).How does it differ from a skewed distribution?

Which one of the following graphs would be used as a preliminary step in correlational analysis?

In a frequency table,the rows indicate

Percentiles can be determined directly from a ____

A bell-shaped curve that happens to describe many frequency distributions that occur in nature is called a:

Which one of the following terms least belongs with the others?

The coding guide lists

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

Control

Nonexperimental Research, part 1: Observational, archival, and Case-Study Research

Nonexperimental Research, part 2: Survey Research

True Experiments, part 1: Single-Factor Designs

True Experiments, part 2: Factorial Designs

Single-Subject Experiments

Quasi Experiments

Biases and Limitations of Experimental Psychology

Filters

Exam 6: Tabular and Graphical Description of Data

A curve that never changes direction is called a(n)____ curve.

You should connect the data points with straight lines,instead of a smooth curve,unless

A(n)____ shows the same information as a frequency table in a graphical format.

A bar graph should be used when the

Error bars can be misleading when

Before inferential statistics are performed,you should

Scattergrams represent data commonly analyzed by which statistic?

If the independent variable in an experiment is gender,it would be appropriate to use a ____ to represent the data

A raw data set must be carefully considered before it is entered into an analysis.Why? What sort of data might be excluded from analysis?

Invalid data are

Which of the following is a display of numerical data in rows and columns of a matrix?

Box and Whisker plots are particularly useful in describing data that are

Discuss the normal distribution in relation to measures of central tendency (mean,median,and mode).How does it differ from a skewed distribution?

Which one of the following graphs would be used as a preliminary step in correlational analysis?

In a frequency table,the rows indicate

Percentiles can be determined directly from a ____

A bell-shaped curve that happens to describe many frequency distributions that occur in nature is called a:

Which one of the following terms least belongs with the others?

The coding guide lists

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

Control

Nonexperimental Research, part 1: Observational, archival, and Case-Study Research

Nonexperimental Research, part 2: Survey Research

True Experiments, part 1: Single-Factor Designs

True Experiments, part 2: Factorial Designs

Single-Subject Experiments

Quasi Experiments

Biases and Limitations of Experimental Psychology

Filters