Question
3. In order to approximate the number of text messages sent daily by Swedish teenagers, Neu...
3. In order to approximate the number of text messages sent daily by Swedish teenagers, Neu Star Communications took a random sample of Swedish youth, finding the number of text messages they sent on a given day in 2018:
HOURS
|
78 |
86 |
86 |
79 |
84 |
79 |
89 |
86 |
86 |
84 |
79 |
81 |
|
|
- What is the point estimate of the population mean? (Round your answer to 2 decimal places.)
ESTIMATED POPULATION MEAN: …..............?
- Develop a 98% confidence interval for the population mean. (In your calculations, use 2 decimal places for the mean and 3 decimal places for other values. Round your final answers to 2 decimal places.)
CONFIDENCE INTERVAL FOR THE POPULATION MEAN:…........... AND …............?
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