Below are the data collected from two random samples of 500 american students on the number of hours they spend in school per day (rounded to the nearest hour):

number of hours in school per day
4
5
6
7
8
sample a: number of students
70
100
125
135
70
sample b: number of students
80
90
120
125
85

meg concludes that students spend a mean of 7 hours in school each day. tara thinks the mean is 6 hours. who is correct—meg or tara? explain your answer in two or three sentences. make sure to use facts to support your answer
asap

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x