Heather sampled the ages of 50 randomly selected people that frequented a store and obtained a mean of 24. She constructed a 95%

Question

3 years ago

9

Heather sampled the ages of 50 randomly selected people that frequented a store and obtained a mean of 24. She constructed a 95%

confidence interval which was (19.1, 28.9). What is the margin of error?
A) 2.5 years
B) 4.9 years
C) 5 years
D) 6.7 years

Mathematics

1 answer:

Jet001 [13] · Answer 1 · 2022-08-16T04:36:21+03:00

The correct answer for the question that is being presented above is this one: "D) 6.7 years." Heather sampled the ages of 50 randomly selected people that frequented a store and obtained a mean of 24. She constructed a 95% confidence interval <span>which was (19.1, 28.9). The margin of error is 6.7 years</span>