Ateacher wants to find out the average number of weekly reading hours of her students. she noted the number of reading hours of 5 of her students, as shown below:
7, 8, 6, 5, 9
which measure of central tendency is most appropriate for this situation and what is its value?
only the mean; 7
only the median; 6
either the mean or median; both are 6
either the mean or median; both are 7
question 4(multiple choice worth 1 points)

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Evaluate the expression. (9 + 5)(3 + 2)0

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?