Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 90% confidence interval. What does the result tellus about the population of all celebrities? Do the data appear to be from a normally distributed population as required?249212175164158155155155153150What is the confidence interval estimate of the population mean p?million < u<$million%24

The sampled amount of wealth (in millions of dollars) of 10 wealthiest celebrities are: 249, 212,…

Answered: Listed below are the amounts of net…

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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Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 90% confidence level. What does the confidence interval tell about the population of all college students in the state? 4.0, 3.1, 4.2, 4.7, 2.9, 4.0, 3.3, 4.5, 4.7, 4.2, 4.4, 3.8, 3.3, 4.2, 3.6 O What is the confidence interval for the population mean u? (Round to two decimal places as needed.)
3. The data below are the number of absences and the final grades of eight randomly students from a statistics class. Number of absences 01 2 6 12 15 83 80 78 Final Grade 97 97 95 90 88 a. Using 95% confidence level, can we conclude that the number of absences is useful in predicting the statistics final grades? b. Write the equation of the line of best fit. c. Predict the final grade given eight absences. (Round off to the whole number)
calculate the standard deviation for 3 plants: Plant 1 - 5cm Plant 2 - 6cm Plant 3 - 5cm
Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 250 194 192 174 166 155 146 146 146 141
Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 95% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.9, 3.0, 4.2, 4.7, 3.0, 4.3, 3.7, 4.9, 4.4, 4.4, 4.4, 3.9, 3.2, 3.9, 3.6 What is the confidence interval for the population mean μ? (Round to two decimal places as needed.
Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 95% confidence level. What does the confidence interval tell about the population of all college students in the state? 4.0, 3.1, 4.2, 4.6, 2.9, 4.2, 3.2, 4.5, 4.2, 4.5, 4.3, 4.0, 3.3, 4.1, 3.9 What is the confidence interval for the population mean μ? (Round to two decimal places as needed.) <μ<
The weights (in pounds (lb)) of 52 randomly selected NFL football players are presented below. 305 265 287 285 290 235 300 230 195 236 244 194 190 307 218 315 265 210 194 216 255 300 315 190 185 183 313 246 212 201 308 270 241 242 306 237 315 215 200 295 187 204 257 185 255 318 230 316 200 324 245 185 We would like to construct a 90% confidence interval for the mean weight of NFL football players. Explain why it is not necessary to assess normality for this sample Write an interpretation for your confidence interval, including units if appropriate. You may round the upper and lower limits to the nearest whole number. Does the confidence interval estimate the mean weight for the sample of 52 NFL players or for the population of NFL players? Explain.
Kit and Casey are each attempting to estimate the proportion of college students who can play at least one musical instrument. They each survey a different random sample of college students, and in each sample, the proportion who can play at least one musical instrument is 0.35. Kit and Casey each use their sample data to construct a confidence interval. Kit's interval is from 0.308 to 0.372 and Casey's interval is from 0.318 to 0.382. One of these intervals was computed correctly, but the other was not. Which interval must be incorrect? O Kit's interval must be incorrect. O It's impossible to answer this question without knowing the sample sizes. O It's impossible to answer this question without knowing the sample sizes or the level of confidence used for each interval. O Casey's interval must be incorrect. O It's impossible to answer this question without knowing the level of confidence used for each interval.
Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 98%confidence level. What does the confidence interval tell about the population of all college students in the state? 3.5, 2.9, 3.8, 4.9, 3.1, 4.2, 3.7 5.0, 4.5, 4.0, 4.3, 3.8, 3.3, 4.1, 3.7 What is the confidence interval for the population mean μ?
Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 95% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.6, 3.0, 4.0, 4.6, 2.8, 4.4, 3.5, 4.4, 4.2, 4.1, 4.0, 3.6, 3.5, 4.0, 3.7 O ..... What is the confidence interval for the population mean µ? (Round to two decimal places as needed.)
When a population has less variability, for the same margin of error and confidence level, the confidence interval becomes a. larger b. smaller c. of unchanged size
Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)

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