Question

The table below shows the recent survey of 6 social networking sites in million visitors for a specific month. Find the value of the following: time 21.5 8.6 9.9 17.7 11.8 7.9 a. At 90% confidence level, the maximum error of estimate (positive) is equal to: b. Find the 90% lower confidence interval of the true mean number of visitors.

          The table below shows the recent survey of 6 social networking sites in million visitors for a specific month.
Find the value of the following:
time
21.5
8.6
9.9
17.7
11.8
7.9
a. At 90% confidence level, the maximum error of estimate (positive) is equal to:
b. Find the 90% lower confidence interval of the true mean number of visitors.

The table below shows the recent survey of 6 social networking sites in million visitors for a specific month.
Find the value of the following:
time
21.5
8.6
9.9
17.7
11.8
7.9
a. At 90% confidence level, the maximum error of estimate (positive) is equal to:
b. Find the 90% lower confidence interval of the true mean number of visitors.

Added by Kathleen D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Christopher Dzorkpata

08/07/2023

Step 1

$\bar{x} = \frac{21.5 + 8.6 + 9.9 + 17.7 + 11.8 + 7.9}{6} = 12.9$ Show more…

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The table below shows the recent survey of 6 social networking sites in million visitors for a specific month. Find the value of the following: time 21.5 8.6 9.9 17.7 11.8 7.9 a. At 90% confidence level, the maximum error of estimate (positive) is equal to: b. Find the 90% lower confidence interval of the true mean number of visitors.