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6776 Stats
Asked: Dec 10,2018In: Confidence intervals

How would you actually describe confidence interval for estimating the population mean?

confidence interval mean mean estimation
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6776 Stats
Asked: Dec 10,2018 In: Confidence intervals
Answer
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1772 Stats
Asked: Dec 21,2018In: Confidence intervals

A company tests all new brands of golf balls to ensure that they meet certain specifications.

sample size for mean
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1772 Stats
Asked: Dec 21,2018 In: Confidence intervals
Answer
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1346 Stats
Asked: Jan 10,2019In: Confidence intervals

In a random sample of 20 people, the mean commute time to work was 31.4 minutes and the standard deviation was 7.1 minutes

margin of error mean interval
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1346 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1297 Stats
Asked: Jan 10,2019In: Confidence intervals

Use the given confidence interval to find the margin of error and the sample mean

sample mean margin of error
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1297 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1573 Stats
Asked: Jan 10,2019In: Confidence intervals

A random sample of fifty-four 200-meter swims has a mean time of 3.227 minutes

population-mean confidence-interval
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1573 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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4278 Stats
Asked: Jan 10,2019In: Confidence intervals

You are given the sample mean and the population standard deviation. construct the 90% and 95% confidence intervals for the population mean.

confidence-interval mean
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4278 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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1599 Stats
Asked: Jan 10,2019In: Confidence intervals

Use the given statistics and population standard deviation

confidence-interval population-mean
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1599 Stats
Asked: Jan 10,2019 In: Confidence intervals
Answer
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3293 Stats
Asked: Jan 10,2019In: Descriptive statistics

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance,

descriptive-statistics mean variance standard-deviation
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3293 Stats
Asked: Jan 10,2019 In: Descriptive statistics
Answer
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2974 Stats
Asked: Jan 11,2019In: Descriptive statistics

Approximate the mean of the grouped data for the ages of the residents of a town.

mean frequency-table-mean
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2974 Stats
Asked: Jan 11,2019 In: Descriptive statistics
Answer
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2625 Stats
Asked: Jan 13,2019In: Descriptive statistics

The scores and their percent of the final grade for a statistics student are given.

descriptive-statistics statistics-mean
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2625 Stats
Asked: Jan 13,2019 In: Descriptive statistics
Answer

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