add 4n and 5n, which is 9. 9n=-9, and if u divide both sides by nine, n=-1
128.309728
add all numbers together and divide by 50(there are 50 numbers)
find the difference of each number and 67.92(the mean)
add all these numbers together and divide by 50
The mean of the distribution of the sampling mean is the same as the mean of the population, 18.6.
Answer: D
Step-by-step explanation:
Answer:
77
Step-by-step explanation:
7 (3 + 2*4) =
7 (3 + 8) =
7 (11) =
7 * 11 =
77
