Chapter 6 Review

Q1

100

Question 1 

Null : p = 0.16

Alternate: p does not equal 0.16

200

7

t= 35 n 

300

5

(1,4)(2,8)(3,12)(4,16) 

y = 4x

400

22, 23 and 24 

y = 6.75 x

y = x + 6 

y = 3x

500

41 and 44

y = 36 x 

s= 3

Q2

100

2

11

200

8

420

300

14

11,71,137

400

25 and 26 

y = 52 x

364

500

30, 31 and 32

y = 8x

y = x + 11

y = x - 9 

Q3

100

3

y = 4n

200

9

y = 5x

300

15

y = 8 x

400

28

12 more phone calls

500

16, 17 , 18 

y = x + 5

y = 4x

y = 9x

Q4

100

4

36

200

10

y = 8x

300

19 and 20

y = x + 13

29

400

33 and 34

y = 7x

91

500

Question 2 

Null: p = 0.77

Alternate: p does not equal 0.77

Critical value: + or - 1.96

Test stat: -7.57

Reject

Conclusion

Q5

100

6

c = 25 s

200

11

no, every input is added by a different number to get the output

300

21

c = 12n

84

400

35 and 36 

p = 14 d

(1,14) (2, 28) ( 3, 42)

500

12

Airline A : 325, 650, 975, 1300

Airline B: 375, 675, 975, 1275