70 is 25% of 280. 25% is the same as 1/4 and 1/4 of 280 is 70
Answer:
w=40
Step-by-step explanation:
Mean = sum/N
7 = 42/N
N = 42/7 . . . . . multiply by N/7
N = 6
There are 6 scores in the population
Answer:
2
Step-by-step explanation:
2 x 3= 6
6 divided by 3 = 2
2 - 5 = -3 because it takes the sign of the larger number