Next questionAgeNumber (thousands)The following data represent the number of people in a particular state aged 15 to 39 with a high school education.15 - 1918320 - 2421725 - 2923730 - 3415935 – 39177(a) What is the number of classes?(b) What are the class limits for the third class?Lower Class Limit =Upper Class Limit =(c) What is the class width?

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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a series of 20 samples of size 4 has been drawn from a project. the measure of interest has an average of 21.54 and the average range within the sample is 2.57 determine the control chart upper limit for R
A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6◦F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6◦F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans. Suppose that you want to use those data to decide whether the mean body temperature of healthy humans differs from 98.6◦F. Hypothesis tests are proposed. For each hypothesis test, a. determine the null hypothesis.b. determine the alternative hypothesis.c. classify the hypothesis test as two tailed, left tailed, or right tailed.
A manufacturer producing cocacola drinks wanted to set the specification of production to achieve process capability. He set his Upper Control Limit (UCL) = 0.03, proportion of defective items as 0.02. Calculate the number of sample observations (n) to be used to ensure 99.74 of the value.
Body Temperature. A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6◦F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6◦F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans, as provided on the WeissStats site. Use the technology of your choice to do the following. a. Obtain a histogram of the data and use it to assess the (approximate) normality of the variable under consideration. b. Obtain a normal probability plot of the data and use it to assess the (approximate) normality of the variable under consideration. c. Compare your results in parts (a) and (b).
Body Temperature. A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6 °F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6 °F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans, as provided on the WeissStats site.
Body Temperature. A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6 °F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6◦F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans, as provided on the WeissStats site. a. use the technology of your choice to identify the modality and symmetry (or nonsymmetry) of the distribution of the data set. b. if unimodal, classify the distribution as symmetric, right skewed, or left skewed. Note: Answers may vary depending on the type of graph that you obtain for the data and on the technology that you use.
Body Temperature. A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6◦F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6◦F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans. Suppose that you want to use those data to decide whether the mean body temperature of healthy humans differs from 98.6◦F. a. determine the null hypothesis. b. determine the alternative hypothesis. c. classify the hypothesis test as two tailed, left tailed, or right tailed.
Body Temperature. A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6°F. The results of the study by P. Mackowiak et al. appeared in the article “A Critical Appraisal of 98.6◦F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich” (Journal of the American Medical Association, Vol. 268, pp. 1578–1580). Among other data, the researchers obtained the body temperatures of 93 healthy humans, as provided on theWeissStats site. Use the technology of your choice to obtain and interpret a. a frequency histogram or a relative-frequency histogram of the temperatures. b. a dotplot of the temperatures. c. a stem-and-leaf diagram of the temperatures. d. Compare your graphs from parts (a)–(c). Which do you find most useful?
One of Mendel’s famous experiments with peas resulted in 580 offspring, and 152 of them were yellow peas. Mendel claimed that under the same conditions, 25% of offspring peas would be yellow. Assume that Mendel’s claim of 25% is true, and assume that a sample consists of 580 offspring peas. Use the range rule of thumb to identify the limits separating values that are significantly low and those that are significantly high. Based on the results, is the result of 152 yellow peas either significantly low or significantly high? Find the probability of exactly 152 yellow peas. Find the probability of 152 or more yellow peas. Which probability is relevant for determining whether 152 peas is significantly high: the probability from part (b) or part (c)? Based on the relevant probability, is the result of 152 yellow peas significantly high? What do the results suggest about Mendel’s claim of 25%?
The data set provided below was derived from an article in the Journal of the American Medical Association entitled "A Critical Appraisal of 98.6 Degrees F, the Upper Limit of the Normal Body Temperature, and Other Legacies of Carl Reinhold August Wunderlich" (Mackowiak, Wasserman, and Levine 1992) by Allen Shoemaker. He recreated the original data set from a histogram and published the article "What's Normal? -- Temperature, Gender, and Heart Rate", Journal of Statistics Education v.4, n.2 (1996). Data Table Temp 96.2 96.7 96.9 97 97.1 97.1 97 97.2 97.3 97.4 97.4 97.4 97.5 97.5 97.4 97.6 97.6 97.6 97.8 97.8 97.8 97.8 97.8 98 98 98 98 98 98 98 98 98.2 98.1 98.3 98.2 98.3 98.2 98.4 98.3 98.5 98.5 98.4 98.4 98.6 98.4 98.7 98.7 98.6 98.6 98.6 98.6 98.8 98.7 98.8 98.9 98.9 98.9 99 99 99.1 99.1 99.1 99.3 99.3 99.5 96.4 96.7 96.8 97.3 97.1 97.3…
Is this value from a discrete or continuous data set.The number of classes you are taking this quarter Discrete Continuous
a series of 20 samples of size 4 has been drawn from a project. the measure of interest has an average of 23.7 and the average range within the sample is 3.51 determine the control chart upper limit for x-bar

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