Question 1

In a normal distribution, the mean and median are _____ the mode.

Accepted Answer

A)  equal to 
B)  greater than 
C)  less than 
D)  close to 
A)  equal to 
B)  greater than 
C)  less than 
D)  close to A

Question 2

Malcom is timing how long he can hold his breath. So far, he has values of 1, 2, 2, and 3 minutes. What is the mean time that he can hold his breath?

Accepted Answer

A)  1 minute 
B)  2 minutes 
C)  3 minutes 
D)  4 minutes 
A)  1 minute 
B)  2 minutes 
C)  3 minutes 
D)  4 minutes B

Question 3

The median is defined as the:

Accepted Answer

A)  number that falls at the midpoint in a group of numbers listed in order. 
B)  number that occurs the most often in a group of numbers. 
C)  degree to which numbers in a group differ from the mean. 
D)  difference between the highest and the lowest scores in a list of numbers. 
A)  number that falls at the midpoint in a group of numbers listed in order. 
B)  number that occurs the most often in a group of numbers. 
C)  degree to which numbers in a group differ from the mean. 
D)  difference between the highest and the lowest scores in a list of numbers. A

Question 4

If Karla wanted to find the range of a group of numbers, she would:

Accepted Answer

A)  add all the numbers and divide the sum by the number of numbers in the data set. 
B)  identify the number that falls in the middle when the numbers are listed in order. 
C)  figure out which number occurs the most frequently. 
D)  subtract the lowest number from the highest number. 
A)  add all the numbers and divide the sum by the number of numbers in the data set. 
B)  identify the number that falls in the middle when the numbers are listed in order. 
C)  figure out which number occurs the most frequently. 
D)  subtract the lowest number from the highest number.

Question 5

If Karla wanted to find the mode of a group of numbers, she would:

Accepted Answer

A)  add all the numbers and divide the sum by the number of numbers in the data set. 
B)  identify the number that falls in the middle when the numbers are listed in order. 
C)  figure out which number occurs the most frequently. 
D)  subtract the lowest number from the highest number. 
A)  add all the numbers and divide the sum by the number of numbers in the data set. 
B)  identify the number that falls in the middle when the numbers are listed in order. 
C)  figure out which number occurs the most frequently. 
D)  subtract the lowest number from the highest number.

Question 6

When calculating the standard deviation, the difference between each number and the mean has to be:

Accepted Answer

A)  negative. 
B)  squared. 
C)  divided. 
D)  multiplied. 
A)  negative. 
B)  squared. 
C)  divided. 
D)  multiplied.

Question 7

Which phenomenon is MOST likely to be normally distributed?

Accepted Answer

A)  scores in a class where a lot of students are struggling 
B)  the height and IQ levels of women in the United States 
C)  scores in an easy class of gifted students 
D)  prices of cars in a used car lot that has two luxury cars 
A)  scores in a class where a lot of students are struggling 
B)  the height and IQ levels of women in the United States 
C)  scores in an easy class of gifted students 
D)  prices of cars in a used car lot that has two luxury cars

Question 8

Which data set would MOST accurately depict a normal distribution?

Accepted Answer

A)  1, 1, 2, 3, 3, 3, 4, 5, 6, 6, 7, 7, 39 
B)  0, 0, 0, 0, 0, 0, 0, 15, 25, 35, 45 
C)  100, 200, 300, 400, 500, 600 
D)  101, 102, 201, 202, 301, 302 
A)  1, 1, 2, 3, 3, 3, 4, 5, 6, 6, 7, 7, 39 
B)  0, 0, 0, 0, 0, 0, 0, 15, 25, 35, 45 
C)  100, 200, 300, 400, 500, 600 
D)  101, 102, 201, 202, 301, 302

Question 9

In a negatively skewed distribution, the median is _____ the mode.

Accepted Answer

A)  equal to 
B)  greater than 
C)  less than 
D)  close to 
A)  equal to 
B)  greater than 
C)  less than 
D)  close to

Question 10

A _____ skewed distribution is said to be skewed to the left.

Accepted Answer

A)  positively 
B)  negatively 
C)  normally 
D)  statistically 
A)  positively 
B)  negatively 
C)  normally 
D)  statistically

Question 11

In a sequential list of numbers, half of the numbers are greater in value than the _____ and half are less.

Accepted Answer

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

Question 12

Why do psychologists use measures of central tendency? Name and define the three most commonly used measures. Also, explain the circumstances in which each measure would make the most sense to use in psychological research.

Accepted Answer

Psychologists use measures of central te

Question 13

Sai is measuring how many sit-ups she can do in a minute. So far, she has values of 40, 40, 41, 42, and 46. What is the mode of this preliminary data set?

Accepted Answer

A)  6 
B)  40 
C)  41 
D)  42 
A)  6 
B)  40 
C)  41 
D)  42

Question 14

A _____ distribution has more low numbers than high.

Accepted Answer

A)  positively skewed 
B)  negatively skewed 
C)  normal 
D)  statistical 
A)  positively skewed 
B)  negatively skewed 
C)  normal 
D)  statistical

Question 15

A(n) _____ is a number in a list that falls far from the mean.

Accepted Answer

A)  mode 
B)  median 
C)  outlier 
D)  range 
A)  mode 
B)  median 
C)  outlier 
D)  range

Question 16

A _____ distribution has more high numbers than low.

Accepted Answer

A)  positively skewed 
B)  negatively skewed 
C)  normal 
D)  statistical 
A)  positively skewed 
B)  negatively skewed 
C)  normal 
D)  statistical

Question 17

Which phenomenon is MOST likely to depict a negatively skewed distribution?

Accepted Answer

A)  scores in a class where a lot of students are struggling 
B)  the height and IQ levels of women in the U.S. 
C)  scores in an easy class of gifted students 
D)  prices of cars in a used car lot that has two luxury cars 
A)  scores in a class where a lot of students are struggling 
B)  the height and IQ levels of women in the U.S. 
C)  scores in an easy class of gifted students 
D)  prices of cars in a used car lot that has two luxury cars

Question 18

The _____ is the number that occurs most frequently in a group of numbers.

Accepted Answer

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

Question 19

The impact of a statistic on the real lives of real people is known as _____ significance.

Accepted Answer

A)  impressive 
B)  practical 
C)  sample 
D)  statistical 
A)  impressive 
B)  practical 
C)  sample 
D)  statistical

Question 20

The _____ is also known as the average.

Accepted Answer

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

In a normal distribution, the mean and median are _____ the mode.

Malcom is timing how long he can hold his breath. So far, he has values of 1, 2, 2, and 3 minutes. What is the mean time that he can hold his breath?

The median is defined as the:

If Karla wanted to find the range of a group of numbers, she would:

If Karla wanted to find the mode of a group of numbers, she would:

When calculating the standard deviation, the difference between each number and the mean has to be:

Which phenomenon is MOST likely to be normally distributed?

Which data set would MOST accurately depict a normal distribution?

In a negatively skewed distribution, the median is _____ the mode.

A _____ skewed distribution is said to be skewed to the left.

In a sequential list of numbers, half of the numbers are greater in value than the _____ and half are less.

Why do psychologists use measures of central tendency? Name and define the three most commonly used measures. Also, explain the circumstances in which each measure would make the most sense to use in psychological research.

Sai is measuring how many sit-ups she can do in a minute. So far, she has values of 40, 40, 41, 42, and 46. What is the mode of this preliminary data set?

A _____ distribution has more low numbers than high.

A(n) _____ is a number in a list that falls far from the mean.

A _____ distribution has more high numbers than low.

Which phenomenon is MOST likely to depict a negatively skewed distribution?

The _____ is the number that occurs most frequently in a group of numbers.

The impact of a statistic on the real lives of real people is known as _____ significance.

The _____ is also known as the average.

The Science of Psychology

Brain and Behavior

Sensation and Perception

Consciousness

Memory

Learning

Cognition: Thinking, Language, and Intelligence

Motivation and Emotion

Development Across the Life Span

Diversity in Psychology: Multiculturalism, Gender, and Sexuality

Stress and Health

Personality

Social Psychology

Psychological Disorders

Therapy

Filters

Exam 16: Understanding Measures of Central Tendency and Distribution Skewness in Statistical Analysis

In a normal distribution, the mean and median are _____ the mode.

Malcom is timing how long he can hold his breath. So far, he has values of 1, 2, 2, and 3 minutes. What is the mean time that he can hold his breath?

The median is defined as the:

If Karla wanted to find the range of a group of numbers, she would:

If Karla wanted to find the mode of a group of numbers, she would:

When calculating the standard deviation, the difference between each number and the mean has to be:

Which phenomenon is MOST likely to be normally distributed?

Which data set would MOST accurately depict a normal distribution?

In a negatively skewed distribution, the median is _____ the mode.

A _____ skewed distribution is said to be skewed to the left.

In a sequential list of numbers, half of the numbers are greater in value than the _____ and half are less.

Why do psychologists use measures of central tendency? Name and define the three most commonly used measures. Also, explain the circumstances in which each measure would make the most sense to use in psychological research.

Sai is measuring how many sit-ups she can do in a minute. So far, she has values of 40, 40, 41, 42, and 46. What is the mode of this preliminary data set?

A _____ distribution has more low numbers than high.

A(n) _____ is a number in a list that falls far from the mean.

A _____ distribution has more high numbers than low.

Which phenomenon is MOST likely to depict a negatively skewed distribution?

The _____ is the number that occurs most frequently in a group of numbers.

The impact of a statistic on the real lives of real people is known as _____ significance.

The _____ is also known as the average.

The Science of Psychology

Brain and Behavior

Sensation and Perception

Consciousness

Memory

Learning

Cognition: Thinking, Language, and Intelligence

Motivation and Emotion

Development Across the Life Span

Diversity in Psychology: Multiculturalism, Gender, and Sexuality

Stress and Health

Personality

Social Psychology

Psychological Disorders

Therapy

Filters