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Marianna [84]
2 years ago
6

Olivia works at a company that creates mobile phones. She wanted to estimate the mean amount of time their new phone's battery l

asts with regular use after a full charge. She took a random sample of 6 of these phones and randomly assigned each of them to a volunteer. She instructed them to fully charge the phones and use them as they regularly would until the battery died (without recharging the phone). Here are the data they reported:
Assume that all conditions for inference are met.
Which of the following is a 90% confidence interval for the mean battery life (in hours)?
Mathematics
1 answer:
Anna007 [38]2 years ago
8 0

Answer:

9+- 1.7

Step-by-step explanation:

Kahn

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The mean of the data set is 6.8.

<h3>What is the mean?</h3>

Mean is the average value of the given set of observations. In statistics, we also come across different types of mean such as Arithmetic, Geometric and Harmonic mean.

Given

The data set is 14, 7, 2, 8, 3.

The mean of the data set is given by;

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Hence, the mean of the data set is 6.8.

To know more about mean value click the link given below.

brainly.com/question/4209766

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