Question 1

If you find the difference of each score from the mean of a set of data,square each difference,and then add these squared deviations,average them,and take the square root of this average,you will obtain the __________.

Accepted Answer

The answer of If you find the difference of each...

Question 2

Dr.Rodriquez discovers that the more education people have,the more money they tend to earn.Dr.Rodriquez has illustrated a(n)__________ correlation.

Accepted Answer

The answer of Dr.Rodriquez discovers that the more education people...

Question 3

To conclude that a cause-and-effect relationship exists,we must use a(n)__________.

Accepted Answer

The answer of To conclude that a cause-and-effect relationship exists,we...

Question 4

An estimate of how often experimental results could have occurred by chance alone are provided by using tests of __________.

Accepted Answer

The answer of An estimate of how often experimental results...

Question 5

Three hundred students at Meridian Community College are surveyed regarding their views on the new cafeteria menus.In this study,all 4,000 students at Meridian Community College would be considered the __________.

Accepted Answer

The answer of Three hundred students at Meridian Community College...

Question 6

If the mean of a test is 80 and the standard deviation is 10,a person with a z-score of -2.0 on a test scored __________.

Accepted Answer

The answer of If the mean of a test is...

Question 7

For his study,Guy has chosen the most commonly used correlation coefficient,which is the __________.

Accepted Answer

The answer of For his study,Guy has chosen the most...

Question 8

If a correlation is +1.00,then the relationship that exists would be referred to as a(n)__________ positive relationship.

Accepted Answer

The answer of If a correlation is +1.00,then the relationship...

Question 9

In psychology,an experimental result would be considered significant if it had a probability of __________ or less.

Accepted Answer

The answer of In psychology,an experimental result would be considered...

Question 10

Groups of scores from distributions that are approximately normal can be compared because the relationship does not change between the normal curve and the __________.

Accepted Answer

The answer of Groups of scores from distributions that are...

Question 11

In order to convert a number to z-score,it is necessary within a group of scores to know the standard deviation and the __________.

Accepted Answer

The answer of In order to convert a number to...

Question 12

Juanita has determined the relationship between her vocabulary screening test and her students' reading scores to be .60.The percent of variance in reading scores that is accounted for by knowing the students' scores on the screening test would be __________ percent.

Accepted Answer

The answer of Juanita has determined the relationship between her...

Question 13

On a normal curve,the percent of all cases found between a z-score of +1 and a z-score of -1 is __________ percent.

Accepted Answer

The answer of On a normal curve,the percent of all...

Question 14

For the numbers 10,17,2,9,and 15,the range is __________.

Accepted Answer

The answer of For the numbers 10,17,2,9,and 15,the range is...

Question 15

The existence of a consistent,systematic relationship between two events,measures,or variables is called a(n)__________.

Accepted Answer

The answer of The existence of a consistent,systematic relationship between...

Question 16

Dr.Molto wants to graphically visualize the correlational relationship between the variables in his study.He should use a(n)___________.

Accepted Answer

The answer of Dr.Molto wants to graphically visualize the correlational...

Question 17

Meg is using a procedure to choose her sample so that each member of the population for her study has an equal chance of being included in her sample.Meg is using a procedure known as __________.

Accepted Answer

The answer of Meg is using a procedure to choose...

Question 18

A researcher studies the effect of a new therapy on a small group of hyperactive children in the hopes of generalizing these findings for use with all hyperactive children.This researcher is using __________statistics.

Accepted Answer

The answer of A researcher studies the effect of a...

Question 19

When measure X gets larger,measure Y gets smaller in a(n)__________correlation.

Accepted Answer

The answer of When measure X gets larger,measure Y gets...

Question 20

To decide which applicants have the best chance for academic success,most colleges have formulas that use __________ correlations.

Accepted Answer

The answer of To decide which applicants have the best...

Quiz 20: Appendix B: Behavioral Statistics