Explaining several measures of central tendency

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Reference no: EM1317165

Q1) You are given sample mean and sample standard deviation. Use this information to create 90% and 95% confidence intervals for population mean. which interval is wider? If convenient, use technology to create the confidence intervals

A random sample of 33 eight - ounce serving of different juice drinks has mean of 98.8 calories and standard deviation of 49.3 calories.

90% confidence interval is...

95% confidence interval is...

Which interval is wider?

a) 90% confidence interval is...

b) 95% confidence interval is...

Why do we have so many several measures of central tendency? Are all really essential or do they essentially give same information? Why is measure of variation a essential accompaniment to measure of central tendency? Use examples in your discussion.

Reference no: EM1317165

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