A gardener believes that the proportion of days that his garden gets rain is less than 20%. Select the hypothes test decision that would define a Type Il error. O Conclude that the true proportion of rain days is less than 20% when it is at least 20%. O Conclude that the true proportion of rain days is less than 20% when it is less than 20%. Not conclude that the true proportion of rain days is less than 20% when it is at least 20%. Not conclude that the true proportion of rain days is less than 20% when it is less than 20%. ONone of the above

A gardener believes that the proportion of days that his garden gets rain is less than 20%. Select the hypothes test decision that would define a Type Il error. O Conclude that the true proportion of rain days is less than 20% when it is at least 20%. O Conclude that the true proportion of rain days is less than 20% when it is less than 20%. Not conclude that the true proportion of rain days is less than 20% when it is at least 20%. Not conclude that the true proportion of rain days is less than 20% when it is less than 20%. ONone of the above

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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5) There are two car dealers in town. The mean monthly sales at Smith Auto and Jones Cars are about the same. However, Kevin Smith, owner of Smith Auto, believes his sales are more consistent. a) State the Hypothesis to show the variation in the monthly sales is lower at Smith Auto than Jones Cars s. b) To test the hypothesis, you collect monthly sales data for the two companies. The data appears below. Use JMP to test the hypothesis of part a). c) Using alpha= 0.05, draw a conclusion for the hypothesis test and state the conclusion in the context of the problem. Dealership Sales Smith Auto 98 Smith Auto 78 Smith Auto 54 Smith Auto 57 Smith Auto 68 Smith Auto 64 Smith Auto 70 Jones Cars 75 Jones Cars 81 Jones Cars 81 Jones Cars 30 Jones Cars 82 Jones Cars 46 Jones Cars 58 Jones Cars 101
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4. on paper. random sample of 130 human body temperatures had a mean 98.25 degree and astandard deviation of 0.73 degree. Construct a 99% confidence interval for the average body temperature ofhealthy people.
2. A normal level glucose control (80- 105 mg/dL) was tested at the beginning of the morning shift at a local hospital. The reagent used was of the same lot number, the instrument operator was the same, and all conditions were controlled to ensure the results would not be affected by environment or by any condition that could be controlled. The following values were recorded in 12 consecutive days. Calculate the Standard error of the mean (SEM) Days Glucose levels (mg/dL) 92 1 93 92 90 4. 89 87 8 89 88 7. 8. 6. 10 92 88 961 11 12 W TOSHIBA
How would a person set up the hypotheses if they wanted to test the claim: the mean length of a Pyramid Lake trout is greater than 21 inches? What would be a type Il error in this case? O State the mean length of a Pyramid Lake trout is greater than or equal to 21 inches when in fact the mean length of a Pyramid Lake trout is less than 21 inches. State the mean length of a Pyramid Lake trout is less than or equal to 21 inches when in fact the mean length of a Pyramid Lake trout is greater than 21 inches. State the mean length of a Pyramid Lake trout is less than 21 inches when in fact the mean length of a Pyramid Lake trout is greater than or equal to 21 inches. O State the mean length of a Pyramid Lake trout is greater than 21 inches when in fact the mean length of a Pyramid Lake trout is less than or equal to 21 inches.
WHO (World Health Organization) states that 1500 cals is the average daily calorie intake for the people in Hatay. A group of 100 people are selected from there, and the mean and standard deviation of the daily calorie intake are found to be 1700+HI cals and 900 cals, respectively. Use 5% significance level and; a) Perform a test of hypothesis if the WHO statement about the daily average calorie intake still holds? b) Find the probability of committing a Type II error and calculate the Power of Test when the real average is 1800+HI. H is 3 and I is 2
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