Answer all questions in response to the photo: a) is this work correct? if not provide guidance on corrections that are needed b) for the 99% confidence interval, provide a hypothesis test and explain your reasoning c) for the effect size, interpret the obtained value (not using the size)d) explain why effect size is needed in addition to results of a hypothesis test

A) A farmer wants to know if November turkey sales at Krogers in Ohio are any different compared to nationwide turkey sales at all Krogers. He found a study that says the population means for turkeys sold in Krogers across the country during November is 578 with a standard deviation of 17. The farmer conducted a random sample on 43 Krogers throughout Ohio and found that they sold an average of 402 turkeys during November. B) This is a good example of a one sample z-test, because there is one sample involved (Krogers in Ohio) which is being compared to the national average of turkeys sold in November. The number of turkeys sold is also a scale variable. c ) gal. confidence interval + $ 2.5) Mower = 402 - 2.57 (-12) = 395. 34 Mupper = 402 + 2.57 ( ing ) = 408. 60 Effect size a = m-M d= 902- 578 - - 10.35 17