Statistical Summary: Questions 1-4

Confidence Intervals: Questions 1-4

Question

Sample Proportion

Sample Size

Question

Error

Lower Limit

Upper Limit

Conclusion

#1

23

55

#1

#2

31

55

#2

#3

32

55

#3

#4

27

55

#4

End of Table 1, blank row. Table 2 begins in F8.

End of Table 2, blank row. Table 3 begins in A15.

Statistical Summary: Questions 5-6

Confidence Intervals: Questions 5-6

Question

Sample Mean

Sample Std Dev

Sample Size

Question

Error

Lower Limit

Upper Limit

Conclusion

#5

#5

#6

#6

End of Table 3, blank row. Table 4 begins in F15.

End of table, blank row. Table 5 begins in F21.

Blank row. Table 4 begins in F15.

End of table, blank row. Table 5 begins in F21.

Table 5 begins in F21.

Hypothesis Tests: Questions 1-6

Question

Ho

Ha

Reject Ho When

Test Statistic

Decision

Summary

#1

p

p

#2

p

p

#3

p

p

#4

p

p

#5

#6

End of table, blank row.

Rejection criteria:

Left-tailed test (one-sided), reject Ho when z < -1.645.

Right-tailed test (one-sided), reject Ho when z > 1.645.

Two-tailed test (two-sided), reject Ho when z < -1.96 or z > 1.96.

Yes

No

1. Do you believe in intergenerational support?

Binary

0.5

n/a

n/a

23

33

2. Do you actively participate in community service or volunteer work?

Binary

0.5

n/a

n/a

31

25

3. Do you have a hobby on which you spend 5 or more hours a month?

Binary

0.5

n/a

n/a

32

24

4. Do you have a savings account?

Binary

0.5

n/a

n/a

27

29

5. How old are you?

Quantitative

39

18

115

37.56 average age

6. What is your annual income?

Quantitative

63K average

0

800k

$58,745.11 avaerage income