AP Statistics Chi-Squared

Question 1

Which of the following is NOT a valid "test statistic"?

Accepted Answer

d

Question 2

The probability that a sample statistics could happen simply by random happenstance is called

Accepted Answer

The P-Value

Question 3

Which of the following is NOT a type of Chi-Squared test?

Accepted Answer

Random Selection

Question 4

mean = .40, Sx = .04, n=43, What type of procedures?(Intervals or Significance Tests)

Accepted Answer

1 Sample T

Question 5

X2 = 10.134 with 5 degrees of freedom at an alpha level of 0.05 would...

Accepted Answer

Fail to Reject the H0

Question 6

Percent = .40, Percent = .24, Percent = .20, Percent = .16, n=65. What type of procedures?

Accepted Answer

Chi-Squared

Question 7

Percent = .40, n=43, What type of procedures?(Intervals or Significance Tests)

Accepted Answer

1 - Prop-Z

Question 8

Chi-Squared = 14.63 and # of categories is 12

Accepted Answer

p- value is .20

Question 9

Which of the following must be true for t = 1.397 with 8 degrees of freedom?

Accepted Answer

Sample size is 9

Question 10

Chi-Squared = 13.22 and # of categories is 8

Accepted Answer

p- value is between .10 and .05

Question 11

The hypotheses for Chi-Squared tests are best stated by...

Accepted Answer

Mathematical equations for all categories

Question 12

Chi-Squared = 9.55 and # of categories is 4

Accepted Answer

p- value is between .025 and .02

Question 13

A Chi-Squared GOF test is used to...

Accepted Answer

All of the above

Question 14

Which of the following is NOT a necessary condition for inference with Chi-Squared?

Accepted Answer

Unimodal and Symmetric sample data

Questions 14