What is the common difference in arithmetic sequence 10,8,6, 2 -2 1/2 -1/2

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:

Mackenzie buys 6 petunias and 8 marigolds. if she plants 2 flowers in each pot, how many pots dose she need?

What is the solution to -2(8x – 4) < 2x + 5? ο ο οο χ> 6 χ< 6 what’s the answer to this