5. Compute the Variance on the data below Test Scores X-X bar (X-X) bar squared Xi 58 61 64 71 79 81 83 84 91 92

I need help with j through p please

First image is the word problem context. Please answer PART F from second image. Please show all steps and explain with clear handwriting. No cursive if possible.

(Please help with this question thank you) 1. A truck rental agency offers two kinds of plans. Plan A charges $125/week plus $.18/miles driven. Plan B charges $150/week plus $.09/miles driven.     a.Write the model equation for the cost of renting a truck for a week with plan A.   b.Write the model equation for the cost of renting a truck for a week with plan B.   c.Find the number of miles that would generate the same cost for both plans. Round up to the nearest mile.   d. If Tom knows he has to travel 450 miles for a week, which plan should he choose?

What two months does the price land on the slanted midline?  Not between which two months.  Thank you.

I kept getting this one wrong. I only need help with the marked section, thank you!

Help me with this discrete math question and explain your work please.

Can you write a code for this task, i need to do it in R commander?

Can you please help me for this exercise and write the steps for me and circle the answer so that I can understand. That I can solve other exercises like this one.  Please note that in the last step, which is e, we must write down the final answer that I asked the question yesterday and you did not write down that I found it.

*look carefully to tell the difference between the two problems.