Please simply write the letter for the test as your answer.[You can, but need not, add an explanation.]If none of the tests are appropriate, the answer is P) none of the above.Here are the tests:A:one sample z-testB:one-sample t-testC:t-test for the difference between means for two related samplesD:t-test for the difference between means for two independent samples with homogeneity of varianceE:t-test for the difference between means for two independent samples with heterogeneity of varianceF:a one sample z-test for proportions (or a chi-square goodness of fit)G:chi-square goodness of fit only (where a one sample z-test of proportions isn't appropriate)H:a two-sample z-test for the difference between proportions (or a chi-square test of independence)I:chi-square test of independence only (where a two-sample z-test for the difference between proportions isn't appropriate.)J:simple regressionK:multiple regressionL:one-way ANOVAM:two-way ANOVAN:Mann-WhitneyO:WilcoxonP:none of the above.

Does watching Barney increase altruism in children?Amanda put nine kids in a room where they watched Barney and another nine kids is a quiet room without television.Then the kids filled out a questionnaire that determined their altruism score (which we can assume to be interval).The scores are:

Barney: 43, 55, 63, 57, 77, 65, 84, 73, 66

Quiet:67, 55, 74, 63, 56, 33, 45, 53, 47