Purchase Solution

Hypothesis Testing of Mean: Actual & Ideal Weights

Not what you're looking for?

Ask Custom Question

13.28) In a study, results were presented for a sample of 63 men who were asked to report their actual weight and their ideal weight. The mean difference between actual and ideal weight was 2.48 pounds, and the standard deviation of the differences was 13.77 pounds. Is there sufficient evidence to conclude that for the population of men represented by this sample the actual and ideal weights differ, on average? Justify your answer by showing all steps of a hypothesis test.

Purchase this Solution
Solution Summary

The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

Solution Preview

Please see the attachment.

The null hypothesis tested is
H0: There is no significant difference in the actual and ideal weights.
The alternative hypothesis is
H1: There is significant difference in the actual ...

Purchase this Solution
Free BrainMass Quizzes
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.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Null Hypothesis

    3124 Testing the claim. A cereal company claims that the weight of the cereal in one of its packages is at least 14 oz. Eight packages are tested and the weights are given below.

  • Practical Business Statistics

    Find the reference value for testing the average of the actual weights against the claim on the label. c. Find the hypotheses, H0 and H1. d. Perform the hypothesis test (two-sided, level 0.05) and report the result. e.

  • Hypothesis Testing for One Population Mean

    124753 Hypothesis Testing for One Population Mean The weights of 9 of managers at Company X are determined. They have a mean of 70.2 Kg, and a standard deviation of 1.5 Kg.

  • Hypothesis Testing of Mean: Z & t test

    Assume that the standard deviation of the weights of all 15 year old boys in the city is known to be 16.7 pounds. Use the traditional method of testing hypothesis. 150 138 158 151 134 189 157 144 175 127 164 Please see the attachments.

  • Hypothesis Test: Critical Value, Decision Rule, Test Statistic

    651532 Hypothesis Test: Critical Value, Decision Rule, Test Statistic Hypothesis testing is used in business to test assumptions and theories. These assumptions are tested against evidence provided by actual, observed data.

  • Hypothesis testing for means

    and conclude that the mean is statistically significantly Not Different from 50 Solution describes the steps in hypothesis testing of sample mean.

  • Analysis of variance (ANOVA)

    Assume we want to use a 0.05 significance level in testing the null hypothesis that the four treatments result in weights with the same population mean. See attached file for full problem description. a.

  • Hypothesis Test - t-test weight of newborn babies

    190803 Hypothesis Test - T-Test Weight of Newborn Babies The mean weight of newborn infants at a community hospital is 6.6 pounds.

  • Is the average weight of the filled pouches different from 8.8 ounces?

    You have a sample of 14 filled pouches with the following weights: 12 , 6 , 11 , 12 , 5 , 0 , 2 , 7 , 8 , 7 , 6 , 3 , 12 , 12 Use the 5 step hypothesis testing procedure to determine your conclusion.

View More Related Solutions