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QUESTION 9 ..... [1.5 marks | You are testing two random samples of 25 (group 1) people and 27 (group 2) people and you found that those in the first group are spending in average $38.6 a day and those in the second group re spending in average $37.4 a day. Assume that the population standard deviation for the first group is $5.3 and the population standard deviation for the second group is $6.8. At a =0.01, can you conclude that there is a significant difference in the average amount on money each group is spending every day? Solution. Please write your detailed solution here: Null hypothesis is Please write your answer in the boxes Critical value(s): Test value(s) Should we reject the null hypothesis