Chapter 8.4 - 8.6 Quiz Review

Row 1

100

Question 1 

Null: p = 0.16 

Alternate: p does not equal 0.16 

200

Number 13 

6.262

300

What are Ms. Nada's kids names?

Haaris and Adeel

400

Question 4

2.15

500

Question 11 

Null: p = 0.379    Alternate: p > 0.379

critical value: 1.65

Test Stat: 1.79

Decision: Reject Null 

Conclusion: There is enough evidence to ..

Row 2

100

Question 7 

Fail to reject null

200

13b

31.410

300

How tall is Ms. Nada's husband? 

6 feet

400

What is the best jolly rancher flavor? 

blue or green.

500

Question 2 

Null: p = 0.77         Alternate: p does not equal 0.77

Critical Value: + or - 1.96

Test Stat: -7.57

Decision: Reject 

Conclusion: There is enough evidence to support the alternate hypothesis...

Row 3

100

Question 8 

1 - 0.30 = 0.70

200

13c

3.816 and 21.920

300

Question 6 

Null: o^2  = 156

Alternate: o^2 < 156

critical value: 5.226

400

Who is my favorite student in this class?

.... tbd 

500

Question 3 

Null: p = 0.35         Alternate: p does not equal 0.35

Critical Value: + or - 1.65

Test Stat: -1.91

Decision: Reject 

Conclusion: We have enough evidence to support the alternate hypothesis ..

Row 4

100

Question 9 

Alternative Hypothesis

200

Question 14 

Null: o = 9 

Alternate: o > 9 

Critical value: 21.06

Test stat: 21.68

Reject

300

Who is getting Ms. Nada a gift for teachers appreciation? 

EVERYONE!

400

Question 16 

Null: u = 10.8 

Alternate: u does not equal 10.8 

critical value = -2.32 and 2.32

test stat: 2.8 

Reject Null 

11.037 < u < 13.363 

Results agree. 10.8 is in the interval

500

Question 5 

Null: o = 0.39      Alternate: o does not equal 0.39

critical Value: Right --> 2.70 Left --> 19.02 

Test Stat: 6.84

Decision: Do not reject the null

Row 5

100

Question 10 

Reject Null

200

What is Ms. Nada's favorite color? 

Black 

300

What is Ms. Nada's coffee order from Dutch Bros? 

Blended golden eagle with an extra shot of espresso

400

15

Null: u = 37,693

alternate: u does not equal 37,693

Critical value: 2.756

Test Stat: 3.29

Reject 

37,902.66 < u < 40,071.34

yes because mean is in interval

500

Question 12 

Null: p = 0.25

Alternate: p < 0.25

Critical Value = -1.65

Test stat: 3.23 

Do not reject Null

we don't have enough evidence to support