Twenty car salespeople were sampled to see how many cars they sold in a month; the following data was obtained: 18, 18, 23, 17, 22, 23, 24, 25, 21, 17, 14, 14, 27, 16, 21, 25, 19, 28, 18, 22 Construct a 88% confidence interval for the mean number of cars sold per month by the population of car salespeople. 20.6 S = 3.99249 0.06 %3D Margine of Error: E = cars We are 88% confident that, on average, car salespeople sell between and cars per month.

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Twenty car salespeople were sampled to see how many cars they sold in a month; the following
data was obtained:
18, 18, 23, 17, 22, 23, 24, 25, 21, 17, 14, 14, 27, 16, 21, 25, 19, 28, 18, 22
Construct a 88% confidence interval for the mean number of cars sold per month by the population
of car salespeople.
20.6
s = 3.99249
0.06
%3D
==
Margine of Error: E =
We are 88% confident that, on average, car salespeople sell between
cars
and
cars per month.
Transcribed Image Text:Twenty car salespeople were sampled to see how many cars they sold in a month; the following data was obtained: 18, 18, 23, 17, 22, 23, 24, 25, 21, 17, 14, 14, 27, 16, 21, 25, 19, 28, 18, 22 Construct a 88% confidence interval for the mean number of cars sold per month by the population of car salespeople. 20.6 s = 3.99249 0.06 %3D == Margine of Error: E = We are 88% confident that, on average, car salespeople sell between cars and cars per month.
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