Rachel wants to collect data about the snack habits of her friends.

which questions are statistical questions she could ask?

select each correct answer.

does mary like snacks?

how many times a week do my friends eat snacks?

what time of the day are my friends most likely to eat a snack?

how many of my friends like the same snack?

how many snacks does jill eat each day?

1 2 3 4 5

Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10

Would greatly appreciate these 3 answers

What’s the answer? and how do i solve it ?