Thirty-seven members of a bowling league sign up for a program that claims to improve bowling scores. The participants bowl a set of five games before the program begins and a set of five games again at the end to measure their improvement. The mean number of points improved (over the set of five games) was . Assume the standard deviation is and let μ be the population mean number of points improved for the set of five games. To determine whether the program is effective, a test is made of the hypotheses versus . i). Compute the value of the test statistic. ii). Compute the P-value. iii). Do you reject H0 at the level?

It is important because sometimes ur dna needs to multiply

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The correct graph is the second one, with the points being at (-6,0), (2,0) and reaching down to (-2,-8)

First, think of what you know. you know that the number t the end of the equation will need to be subtracted because it is the money he lost from buying the lawn mower. and your first two weeks have negative profit, so that tells you that c and d are wrong. now you can plug any of the weeks into a and b to see which one works. i'll start with plugging week 1 into a.this isn't right because it says your answer for week one should be -90.so now we need to try the same thing with b.this one got you the right answer, (sometimes if you only check with one of the weeks multiple will work so you need to check with more of the weeks, but it worked out fine here)this means that b is the correct answer.let me know if you need more clarification. i hope this : )