You are interested in finding a 99% confidence interval for the averagenumber of days of class that college students miss each year. The databelow show the number of missed days for 10 randomly selected collegestudents. Round answers to 3 decimal places where possible.110 10 | 2| 1| 44 3 7a. To compute the confidence interval use a ? v distribution.b. With 99% confidence the population mean number of days of class thatcollege students miss is betweenanddays.c. If many groups of 10 randomly selected non-residential college studentsare surveyed, then a different confidence interval would be produced fromeach group. Aboutpercent of these confidence intervals willcontain the true population mean number of missed class days and aboutpercent will not contain the true population mean number ofmissed class days.

Answered: Image /qna-images/answer/0948b223-0abb-475c-9fd8-c0eacd805974.jpg

Answered: You are interested in finding a 99%…

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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Which two of the following could be confidence intervals with the same sample? (0.45, 0.75) (0.4, 0.5) (0.35, 0.45) (0.3, 0.6)
Person 1 Person 2 Person 3 Person 4 Person 5 Person 6 Person 7 Person 8 Person 9 Height (inches) 75 62 64 63 62 70 69 70 67 Weight (lbs) 325 250 280 220 235 265 200 365 175 (CLO 1) Construct a confidence interval to estimate the mean height and the mean weight.
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
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A developmental psychologist believes that children’s self-esteem scores change with age. She measures N=8 children’s self-esteem in 3rd grade and again in 6th. Evaluate the results of her data using α = .052tail. **Attached Image** a. Show how the 95% confidence interval was calculated. b. State the conclusion in APA format. c. What is Cohen’s d?
Sample data set: 47 95 54 33 64 4 8 57 8 90 3 49 4 44 79 80 68 7 15 21 6 6 78 109 29 The 92% confidence interval for the population mean is <μ< place.) 9 80 48 16 40 50 . (Round answer to one decimal
each item # 7-8. 7. Researchers study the effect of political commercials and the likelihood of people inspired to vote for former President Trump in the 2024 presidential election. They show a political commercial to a random sample 150 people. The researchers found a 90% confidence interval for the proportion of people who were influenced to vote for former President Trump after viewing the political commercial to be (0.56, 0.72). Which is true based on the given confidence interval? Select the two correct answers. e. a. We are 90% confident that the true proportion of people inspired to vote for former President Trump after viewing a political commercial is between 0.56 and 0.72. b. 90% of all 90% confidence intervals constructed in this way will capture the true proportion of people inspired to vote for former President Trump after viewing a political commercial. c. We're 90% sure that the proportion of people in this research sample inspired to vote for Sve former President Trump…
Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96
Which of the following would result in the widest confidence interval? A sample size of 30 with 95% confidence. A sample size of 100 with 95% confidence A sample size of 100 with 99% confidence. A sample size of 30 with 99% confidence.
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