Thirty children and forty-five adults were surveyed to determine if children watch, on average, the same amount of television as adults per day. the averages from the study were 3.4 and 2.7 hours per day, respectively. the standard deviations from the study were 2.3 and 1.4 hours per day, respectively. the hypothesis test to use is

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

you already gave the answer

step-by-step explanation:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it