[Answered] The midpoint of the class interval 30 to 34 is ____

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Author Question: The midpoint of the class interval 30 to 34 is _____ . a. 32.5 b. 31.5 c. 31.0 d. ... (Read 272 times)

Mr. Wonderful

Hero Member
Posts: 866

on: Jun 20, 2018

The midpoint of the class interval 30 to 34 is _____ .

a. 32.5
b. 31.5
c. 31.0
d. 32.0

Question 2

A psychologist finds that performance on learning a poem decreases as room temperature increases above 72F. In this instance, learning of the poem and room temperature ______ .

a. are independent
b. covary
c. are both independent variables
d. do not vary

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robbielu01

Sr. Member
Posts: 336

Reply #1 on: Jun 20, 2018

Answer to Question 1

D

Answer to Question 2

B

Mr. Wonderful

Hero Member
Posts: 866

Reply #2 on: Jun 20, 2018

Thank you

robbielu01

Sr. Member
Posts: 336

Reply #3 on: Jun 20, 2018

No problem

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