Problem 8.18
Whole grain versus regular grain? A study of young children was designed to increase their intake of whole-grain, rather than regular-grain, snacks. At the end of the study the 76 children who participated in the study were presented with a choice between a regular-grain snack and a whole-grain alternative. The whole-grain alternative was chosen by 52 children. You want to examine the possibility that the children are equally likely to choose each type of snack. (a) Formulate the null and alternative hypotheses for this setting. (b) Are the guidelines for using the large-sample significance test satisfied for testing this null hypothesis? Explain your answer. (c) Perform the significance test and summarize your results in a short paragraph.
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Chapter 3 --- Displaying and Describing Quantitative Data The graphical methods used to display quantitative data in this chapter include histograms, stem-and-leaf plots, boxplots, and time series plots. Most of you have seen these types of graphs before and the text gives several examples. That should be enough to refresh your memory of these graphs. We will be using JMP to display these graphs. I will be giving severalexamples in these notes. In class I will point out the advantages and disadvantages of eachgraphicalmethod. The shape of the distribution is important throughout the course. Is the distribution approximately symmetric or skewed to the right or skewed to the left Detecting unusual features (outliers, gaps, clusters) and what to do about them is another important aspect
This full solution covers the following key subjects: . This expansive textbook survival guide covers 17 chapters, and 1719 solutions. This textbook survival guide was created for the textbook: Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card, edition: 8. The full step-by-step solution to problem: 8.18 from chapter: 8 was answered by , our top Statistics solution expert on 01/03/18, 09:20PM. The answer to “Whole grain versus regular grain? A study of young children was designed to increase their intake of whole-grain, rather than regular-grain, snacks. At the end of the study the 76 children who participated in the study were presented with a choice between a regular-grain snack and a whole-grain alternative. The whole-grain alternative was chosen by 52 children. You want to examine the possibility that the children are equally likely to choose each type of snack. (a) Formulate the null and alternative hypotheses for this setting. (b) Are the guidelines for using the large-sample significance test satisfied for testing this null hypothesis? Explain your answer. (c) Perform the significance test and summarize your results in a short paragraph.” is broken down into a number of easy to follow steps, and 117 words. Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card was written by and is associated to the ISBN: 9781464158933. Since the solution to 8.18 from 8 chapter was answered, more than 826 students have viewed the full step-by-step answer.
