Question 1

Suppose you scored on the 63rd percentile on a standardized test.What percent of the population would have scored higher than you?

Accepted Answer

100% - 63% = 37%.Thus, 37% scored above you.

Question 2

A graph of a frequency distribution shows the frequencies on the

Accepted Answer

A) X axis. 
B) Y axis. 
C) top of the graph. 
D) bottom of the graph. 
A) X axis. 
B) Y axis. 
C) top of the graph. 
D) bottom of the graph. B

Question 3

If a score's relative frequency is .6 when N is 50, what is the score's frequency?

Accepted Answer

A) 30 
B) 3 
C) 20 
D) It cannot be determined from this information. 
A) 30 
B) 3 
C) 20 
D) It cannot be determined from this information. A

Question 4

Suppose you've noted that your score is to the left of your friend's when placed on a normal distribution.What should you infer from this fact?

Accepted Answer

Because your score is to the l

Question 5

What are the shaded areas in the following distribution called?

Accepted Answer

A) Ends 
B) Tails 
C) Legs 
D) Edges 
A) Ends 
B) Tails 
C) Legs 
D) Edges

Question 6

What is the shape of the following distribution?

Accepted Answer

The answer of What is the shape of the following...

Question 7

What is the shape of the following distribution?

Accepted Answer

Bimodal di

Question 8

A grouped frequency distribution is used when

Accepted Answer

A) there are too many different scores to produce an efficient frequency table or graph. 
B) there are too many scores to produce an efficient frequency table or graph. 
C) one wants more detailed information about frequencies than one can get from a frequency table. 
D) there are about 10 rows in a frequency table. 
A) there are too many different scores to produce an efficient frequency table or graph. 
B) there are too many scores to produce an efficient frequency table or graph. 
C) one wants more detailed information about frequencies than one can get from a frequency table. 
D) there are about 10 rows in a frequency table.

Question 9

What is the shape of the following distribution?

Accepted Answer

The answer of What is the shape of the following...

Question 10

In which type of distribution will the lowest scores be found on the lower left-hand side of the X axis?

Accepted Answer

A) In any distribution 
B) Only in a normal distribution 
C) Only in a positively skewed distribution 
D) Only in a negatively skewed distribution 
A) In any distribution 
B) Only in a normal distribution 
C) Only in a positively skewed distribution 
D) Only in a negatively skewed distribution

Question 11

In statistical notation, N stands for the

Accepted Answer

A) number of times a given score occurs in a sample. 
B) total number of scores in a data set. 
C) relative frequency of a particular score. 
D) cumulative frequency of a particular score. 
A) number of times a given score occurs in a sample. 
B) total number of scores in a data set. 
C) relative frequency of a particular score. 
D) cumulative frequency of a particular score.

Question 12

In statistics, a symmetrical, bell-shaped polygon is called a/an

Accepted Answer

A) histogram. 
B) bimodal distribution. 
C) percentile. 
D) normal curve. 
A) histogram. 
B) bimodal distribution. 
C) percentile. 
D) normal curve.

Question 13

________distributions contain low-frequency, extreme high scores without low-frequency extreme low scores.

Accepted Answer

A) Positively skewed 
B) Negatively skewed 
C) Bimodal 
D) Normal 
A) Positively skewed 
B) Negatively skewed 
C) Bimodal 
D) Normal

Question 14

Which of the following statements about bar graphs is false?

Accepted Answer

A) Adjacent bars touch. 
B) It can be used with nominal scores. 
C) It can be used with ordinal scores. 
D) It has a vertical bar centered over each X score. 
A) Adjacent bars touch. 
B) It can be used with nominal scores. 
C) It can be used with ordinal scores. 
D) It has a vertical bar centered over each X score.

Question 15

What is the relative frequency for the score of 14 in the following simple frequency distribution?

Accepted Answer

The answer of What is the relative frequency for the...

Question 16

What is the relative frequency for the score of 14 in the following simple frequency distribution?

Accepted Answer

A) 0.10 
B) 0.11 
C) 0.13 
D) 0.16 
A) 0.10 
B) 0.11 
C) 0.13 
D) 0.16

Question 17

Another term for a "dot" placed on any graph is called a

Accepted Answer

A) data point. 
B) scattergram. 
C) histogram. 
D) distribution. 
A) data point. 
B) scattergram. 
C) histogram. 
D) distribution.

Question 18

For the following data set, draw a frequency polygon.
10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1

Accepted Answer

The answer of For the following data set, draw a...

Question 19

The very first step when examining data is to

Accepted Answer

A) determine if a relationship exists. 
B) identify the shape of the distribution. 
C) generate a polygon. 
D) calculate the relative frequencies. 
A) determine if a relationship exists. 
B) identify the shape of the distribution. 
C) generate a polygon. 
D) calculate the relative frequencies.

Question 20

For the following data set, draw the appropriate type of graph.
8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2

Accepted Answer

The answer of For the following data set, draw the...

Suppose you scored on the 63rd percentile on a standardized test.What percent of the population would have scored higher than you?

A graph of a frequency distribution shows the frequencies on the

If a score's relative frequency is .6 when N is 50, what is the score's frequency?

Suppose you've noted that your score is to the left of your friend's when placed on a normal distribution.What should you infer from this fact?

What are the shaded areas in the following distribution called?

What is the shape of the following distribution?

What is the shape of the following distribution?

A grouped frequency distribution is used when

What is the shape of the following distribution?

In which type of distribution will the lowest scores be found on the lower left-hand side of the X axis?

In statistical notation, N stands for the

In statistics, a symmetrical, bell-shaped polygon is called a/an

________distributions contain low-frequency, extreme high scores without low-frequency extreme low scores.

Which of the following statements about bar graphs is false?

What is the relative frequency for the score of 14 in the following simple frequency distribution?

What is the relative frequency for the score of 14 in the following simple frequency distribution?

Another term for a "dot" placed on any graph is called a

For the following data set, draw a frequency polygon. 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1

The very first step when examining data is to

For the following data set, draw the appropriate type of graph. 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2

Introduction to Statistics and Research

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Chi Square and Nonparametric Procedures

Filters

Exam 2: Creating and Using Frequency Distributions

Suppose you scored on the 63rd percentile on a standardized test.What percent of the population would have scored higher than you?

A graph of a frequency distribution shows the frequencies on the

If a score's relative frequency is .6 when N is 50, what is the score's frequency?

Suppose you've noted that your score is to the left of your friend's when placed on a normal distribution.What should you infer from this fact?

What are the shaded areas in the following distribution called?

What is the shape of the following distribution?

What is the shape of the following distribution?

A grouped frequency distribution is used when

What is the shape of the following distribution?

In which type of distribution will the lowest scores be found on the lower left-hand side of the X axis?

In statistical notation, N stands for the

In statistics, a symmetrical, bell-shaped polygon is called a/an

________distributions contain low-frequency, extreme high scores without low-frequency extreme low scores.

Which of the following statements about bar graphs is false?

What is the relative frequency for the score of 14 in the following simple frequency distribution?

What is the relative frequency for the score of 14 in the following simple frequency distribution?

Another term for a "dot" placed on any graph is called a

For the following data set, draw a frequency polygon. 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1

The very first step when examining data is to

For the following data set, draw the appropriate type of graph. 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2

Introduction to Statistics and Research

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Chi Square and Nonparametric Procedures

Filters