Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.Express the confidence interval in the format that uses the "less than" symbol. 13.05 Mbps < \mu < 22.15 Mbps

UkusakazaL

UkusakazaL

Answered question

2021-08-01

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.
a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place, round the confidence intervals limits accordingly.
13.05Mbps<μ<22.15 Mbps
b. Identify the best point estimate of μ and the margin of error.
The point estimate of μ is 17.60 Mbps.
The margin of error is E=? Mbps.

Answer & Explanation

Ian Adams

Ian Adams

Skilled2021-08-17Added 163 answers

Step 1
Given data,
Lower limit =13.05
Upper limit =22.15
Point estimate x=17.60
E=?
Step 2
E=ULLL2
=22.1513.052
E=4.55

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