Purchase Solution

# Hypothesis testing for mean

Not what you're looking for?

A sample of 93 IQ scores was randomly selected from a certain population. At the 0.03 level of significance, test the hypothesis that the population has a mean IQ of 105. Assume that the population standard deviation is 11.9 and that the sample mean was 107 for the 93 scores.

##### Solution Summary

The solution describes the steps in hypothesis testing for population mean based upon given sample mean and population standard deviation.

##### Solution Preview

Please see the attached file for complete solution. Work done with the help of equation writer may not print here.

Solution :

Sample Mean =
Population mean =

Ho: Population has a mean IQ score of ...

Solution provided by:
###### Education
• BEng (Hons) , Birla Institute of Technology and Science, India
• MSc (Hons) , Birla Institute of Technology and Science, India
###### Recent Feedback
• "Thank you"
• "Really great step by step solution"
• "I had tried another service before Brain Mass and they pale in comparison. This was perfect."
• "Thanks Again! This is totally a great service!"
• "Thank you so much for your help!"

##### Free BrainMass Quizzes

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.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### 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.