くView PoliciesCurrent Attempt in ProgressHow Many Hours on a Computer? Exercise 1.24 introduces the dataset PASeniors which includes many variables on a sample ofhigh school seniors in Pennsylvania. One of the variables is ComputerHours, which gives the number of hours the student spent on acomputer during the previous week. In the sample, 447 students answered the question, and the sample mean was 16.740 hourswith a standard deviation of 17.688. Find and interpret a 99% confidence interval for the mean number of hours per week that highschool seniors in Pennsylvania spend on the computer.Confidence interval (round to three decimal places): itoInterpretation:eTextbook and MediaAttempts: 0 of 6 usedSubmit AnswerSave for Later

Name: くView PoliciesCurrent Attempt in ProgressHow Many Hours on a Computer
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: くView PoliciesCurrent Attempt in ProgressHow Many Hours on a Computer? Exercise 1.24 introduces the dataset PASeniors which includes many variables on a sample ofhigh school seniors in Pennsylvania. One of the variables is ComputerHours, which gives

Answered: Image /qna-images/answer/7d176fe1-7cce-4e20-a141-cbb1a1d68e85.jpg

Math

Statistics

View Policies Current Attempt in Progress How Many Hours on a Computer? Exercise 1.24 introduces high school seniors in Pennsylvania. One of the variables is C computer during the previous week. In the sample, 447 stud with a standard deviation of 17.688. Find and interpret a 99' school seniors in Pennsylvania spend on the computer. Confidence interval (round to three decimal places): i Interpretation: eTextbook and Media Save for Later

View Policies Current Attempt in Progress How Many Hours on a Computer? Exercise 1.24 introduces high school seniors in Pennsylvania. One of the variables is C computer during the previous week. In the sample, 447 stud with a standard deviation of 17.688. Find and interpret a 99' school seniors in Pennsylvania spend on the computer. Confidence interval (round to three decimal places): i Interpretation: eTextbook and Media Save for Later

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Please answer all thoroughly and clearly Grade 12 Data Management
I need help solving a) I tried 21.2, 21.9, and they were both incorrect. Please explain step by step.
After the pandemic hit and people were forced to spend more time indoors, there have been a suspicion among health professionals. that people are eating more and thus gaining weight. In 2018, the average weight of 192 pounds, and health experts want to know if that average weight of the American male has gone up during this pandemic. d. A sample of 50 American males yeilded a sample average weight of 195 pounds and a sample standard deviation of 14.5 pounds. What is your conclusion at the 5% level of significance? (be sure to state your conclusion in the context of this problem) e. Would your conclusion change if the level of significance were changed to 1%? Briefly explain.
open file attached for question
Please answer ASAP PLEASE
the weight of an organ in adult males has a bell shaped distribution with a mean of 350 grams and a standard deviation of 50 grams. use the empirical rule to determine the following a. about 99.7% of organs will be between what weights? b. what percentage of organs weighs 300 grams and 400 grams ? Plzz explain both question. Ty
In the 1992 presidential election, Alaska's 40 election districts averaged 2002 votes per district for President Clinton. The standard deviation was 566. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places. Find the third quartile for votes for President Clinton. Round your answer to the nearest whole number.
Show all steps/ calculator commands using a TI84 graphing calculator. 2. The scores of a psychology test are normally distributed, has a mean of 72.9 points and a standard deviation of 10.3 points. Below what score is the bottom 20% of the class? Round to whole numbers What score is at the 85th percentile? Round to whole numbers
2???
Score last try: pts. See Details for more. You can retry this question below For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 28 students, and the distribution of total study hours per week is bell-shaped with a mean of 13 hours and a standard deviation of 3.1 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between 12.41 X hours and 13.58 x hours on Statistics each week. b) 95% of the students spend between 11.82 X hours and 14.7 X hours on Statistics each week. c) 99.7% of the students spend between 11.24 X hours and 14.76 X hours on Statistics each week.
eText Contents A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 687. Assume the scores are normally distributed with a standard deviation of 46. Study Plan al Determine the interval of credit scores that are one standard deviation around the mean. Video & Resout b) Determine the interval of credit scores that are two standard deviations around the mean. c) Determine the interval of credit scores that are three standard deviations around the mean. Library a) The interval of credit scores that are one standard deviation around the mean ranges from to Accessible Resi (Type integers or decimals. Use ascending order.) Purchase Optic Communicatio Enter your answer In the edit flelds and then click Check Answer (? parts remaining CicckAnswer O Type here to search F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PriSc Numlk DIO Sar Lk SysRq % 7 7 3 4 8. € 6 9. E R Tab 4. sLock D K
Analysts of traffic control systems believe that the average speed of heavy vehicles on highways has decreased after passing an ordinance of high penalty to regulate over speeding. The average speed for a random selection of 36 trucks was found to be 55 mph with a standard deviation of 5 mph. The speed before the ordinance was passed was an average of up to 57 mph on these highways.Compute the value of the test statistic. Group of answer choices 0.40 -0.40 2.40 -5.37 -2.40