# Estimation using Normal Distribution

Not what you're looking for?

A random sample of 55 adults in a certain country showed an average height of six feet (72 inches) for adults. Statistics show the population standard deviation to be 3.40 inches.

Calculate the 95% confidence interval for the mean height of the adult population.

##### Purchase this Solution

##### Solution Summary

Population mean is estimated using normal distribution

##### Solution Preview

Mean= M = 72 inches

Standard deviation =s = 3.40 inches

sample size=n= 55

s x=standard error of mean=s / ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.