Please solve these seperate questions.

Which of the following mathematical/logical operations can be performed for a variable measured on an ordinal scale? f'. > A. _ A; ... .A. + i' A marketing researcher wants to compare the mean rating of two different pizza brands among customers in the population. She recruits 20 participants for an experiment. Half of these participants taste pizza brand Awhile the others try pizza brand B. Each particpant then rates their pizza on a 0-10 scale. This experiment is an example of am) (5 Independent samples t test \"T One-way ANOVA T' Paired samples t test f\" One-sample t test e A professional sports organization is going to implement a test for steroids. The test gives a positive reaction in 90% of the people who have taken the steroid. However, it erroneously gives a positive reaction in 5% of the people who have not taken the steroid. Given the null hypothesis "the individual has not taken steroids", the "probability of not making a Type I error\" and the "probability of not making a Type II error" are and respectively. r7 95%,1o% d 5%, 10% b; 95%, 5% r: 5%, 90% h 90%, 10% T\" 10%, 5% a 90%, 95% h 5%, 95% r) 95%, 90% F) 90%, 5% r) 10%, 90% c 10%, 95% Consider the Excel output shown below: t-Test: Two-Sample Assuming Equal Variances Male Female Mean 4.733333333 14.4666667 Variance 10.82298851 13.6367816 Observations 30 30 Pooled Variance 12.22988506 Hypothesized Mean Difference 0 df t Stat -10.779436 P(T