During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded asABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revisionyielded the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Test witha = .05 to determine whether the viewing audience proportions changed. Use Table 12.4.Round your answers to two decimal places.6.87p-value is betweenandConclusion:There is no significant change in the viewing audience proportions.

Given See the handwritten solution

Answered: 29%, CBS 28%, NBC 25%, and independents…

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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The table shows the number of students on the track team who run the hurdles and in relays. No student runs in both. Hurdles Relays 7th graders 8 12 8th graders 15 15 Total 23 27 Total 20 30 50 What is the joint relative frequency to the nearest hundredth of boys who run relays?
Do various occupational groups differ in their diets? A British study of this question compared 98 drivers and 83 conductors of London double-decker buses. The conductors' jobs require more physical activity. The article reporting the study gives the data as "Mean daily consumption (+ se)." Some of the study results appear below. Drivers Total calories 2821 +44 Alcohol (grams) 0.24 0.06 Conductors 2844 +48 0.39 ± 0.11 Construct a 99% confidence interval for the difference in mean daily alcohol consumption between drivers and conductors.
Still need D , E and F
Statistics Question
The following data set outlines the scores students had on an Algebra test. 40 40 40 40 40 40 41 41 42 43 43 43 43 43 44 44 44 44 45 45 i) Fill in the frequency table(below) Scores Score Frequency 40 41 42 43 44 45
Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Speeding violation in thelast year No speeding violation in the last year Total Uses cell phone while driving 25 280 305 Does not use cell phone while driving 45 405 450 Total 70 685 755 Calculate P(Driver had no violation in the last year AND was a cell phone user). Round your answer to four decimal places.
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Solve.
The two data sets are dependent. Find d¯¯¯d¯ to the nearest tenth. x 8.8 5.4 5.6 8.2 6.6 5.3 y 9.6 8.4 8.2 8.7 8.9 9.4 Round your answer to one decimal.
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.5 degrees. Low Temperature (o F) 40 - 44 45 - 49 50 - 54 55 - 59 60 – 64 D Frequency 2 9. ... The mean of the frequency distribution is degrees. (Round to the nearest tenth as needed.) Which of the following best describes the relationship between the computed mean and the actual mean? O A. The computed mean is close to the actual mean because the difference between the means is more than 5% of the actual mean. B. The computed mean is not close to the actual mean because the difference between the means is less than 5% of the actual mean. C. The computed mean is not close to the actual mean because the difference between the means is more than 5% of the actual mean. D. The computed mean is close to the actual mean because the difference between the means is less than 5% of the actual mean.
Q.8

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