a. Write out the null and alternative hypothesis being tested using correct notation.

b. Use the SPSS output to determine whether or not the null hypothesis should be rejected. Report the value of the test statistic and show how you reached your decision? (Use = 0.05)

c. Write out conclusion of the above test in the context of the question.

d. Check whether or not the conditions hold for the test to be valid and comment on the implications of your findings.

Data:

Descriptives of Savings across the different credit card habits with respect to buying Groceries Savings N Mean Std. Deviation Std. Error Often 127 $6,018.50 $5,056.207 $448.666 Sometimes 193 $5,260.62 $5,086.530 $366.136 Never 530 $5,035.40 $4,875.894 $211.795 Total 850 $5,233.42 $4,957.371 $170.036 Tests of Homogeneity of Variances Levene Statistic df1 df2 Sig Savings Based on Mean 2.425 2 847 089 Based on Median 1.578 N 847 207 Based on Median and 1.578 2 840.796 207 with adjusted df Based on trimmed mean 2.329 2 847 .098 ANOVA Savings Sum of Squares df Mean Square F Sig. Between Groups 99203229.60 2 49601614.80 2.023 .133 Within Groups 2.077E+10 847 24516435.07 Total 2.086E+10 849