Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A researcher obtains a Pearson correlation of r = 0.60 for a sample ofn= 6 pairs of X and Y scores. If the researcher tests

A researcher obtains a Pearson correlation of r = 0.60 for a sample ofn= 6 pairs of X and Y scores. If the researcher tests the significance of the correlation, what value will be obtained for the t statistic?

A.

0.6/1.0 = 0.6

B.

0.6/0.16 = 3.75

C.

0/6/0.8 = 0.77

D.

0.6/0.4 = 1.50

The Pearson correlation is calculated for a sample ofn= 20 individuals. If a hypothesis test is used to determine whether the correlation is significant, what df value would be used for the t statistic?

A.

21

B.

19

C.

20

D.

18

A set ofn= 15 pairs of X and Y scores has SSX= 10, SSY= 40, and SP = 30. What is the slope for the regression equation for predicting Y from X?

A.

10/30

B.

10/40

C.

40/10

D.

30/10

An analysis of variance produces SSbetween= 30, SSwithin= 60, and an F-ratio with df = 2, 15. For this analysis, what is the F-ratio?

A.

15/4 = 3.75

B.

4/15 = 0.27

C.

30/60 = 0.50

D.

60/30 = 2.00

A researcher used a sample ofn= 50 individuals to determine whether they are any preferences between two new designs for a smart phone. If the data produce a chi-square statistic of2= 6.00 what decision should the researcher make?

A.

There is no significant preference for either= .05 or= .01.

B.

There is no significant preference for= .05 but there is for= .01.

C.

There is a significant preference for= .05 but not for= .01.

D.

There is a significant preference for either= .05 or= .01.

An independent-measures research study compares three treatment conditions using a sample ofn= 10 in each treatment. For this study, the three sample means are M1= 1, M2= 2, and M3= 3. For the ANOVA, what value would be obtained for SSbetween?

A.

20

B.

2

C.

10

D.

30

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Holt Mcdougal Larson Algebra 2

Authors: HOLT MCDOUGAL

1st Edition 2012

9780547647159, 0547647158

More Books

Students also viewed these Mathematics questions

Question

6.3 A Rule-Based Translator Tool

Answered: 1 week ago