on 8: A credit score is a numerical value between 300 and 850 that measures a pe
ID: 2907814 • Letter: O
Question
on 8: A credit score is a numerical value between 300 and 850 that measures a person's itworthiness. The following table shows the credit scores for randomly selected individuals fronm ennsylvania, California, and Florida who are grouped according to their ages. A two-way Anova Questi table. was The alpha used was 0.05. Consider the following partially completed ANOVA summary a. Complete the remaining entries in the table. b. Using alpha 0.05, is there significant interaction between the state and age of the individual c. Using alpha- 0.05, does the state have an effect on the person's credit score? d. Using alpha 0.05, does the age group of the individual have an effect on their credit score? e. If warranted, determine which means are significantly different using alpha- 0.05. State PA 736 CA 663 506 681 632 713 620 574 20-39 years old 619 671 614 517 691 700 641 639 766 663 672 661 574 708 728 794 775 645 767 669 743 737 718 788 40-59 years old 677 629 765 698 795 730 716 756 675 60+ years old 692 Anova: Two-Factor With Replication TX PA CA FL Total SUMMARY 20-39 years old 16 Count Sum Average Variance 605.25 4125.583 716 6162 8756.667 615 661.5 649.4375 1875 6241.063 40-59 years old 16 4 Count Sum Average 2671 2856 2818 2577 10922Explanation / Answer
a)
use excel
data -> data analysis -> anova two factor with replication
b) interaction
p-value = 0.342996 > 0.05
hence not significant interaction
c)
state : column
p-value = 0.024853 < 0.05
hence that state have an effect
d)
age : row
p-value = 0.002782 < 0.05
hence age group have an effect
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