A health club is challenging that there is a difference in the prices charged by two competing gyms for a training session. They sample prices from both companies. Test at a 0.05 level of significance if there is a difference in the prices. Gym A Gym B Mean cost $34.5 $31.5 Sample standard deviation 4 4.5 Sample size 25 24 State the letter of the correct null hypothesis and alternative hypothesis A. Ho: Ma= Mb Ha: Ma * Mp B. Ho: Ma>= Mb Ha: Ma * Mb C. Ho: Ma Mb D. Ho: Ma= 0 Ha: Mb # 0 State pooled variance. Two decimal places State the critical value. State the statistical value. Two decimal places State approximate pvalue from the tables. Decision