(b) Find the standardized test statistic t.(Round to two decimal places as needed.)(c Calculate the P-value.P-value =(Round to three decimal places as needed.)(d) The null hypothesis would not be rejected.(e) Interpret the decision in the context of the original claim. Are the results the same as the critical value approach?Fail to reject the null hypothesis. There is not enough evidence to support the claim that the pass completion percentages have increased. The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.05, is there enough evidence to support theclaim that the pass completion percentages have changed?PlayerCompletion percentage(freshman)Completion percentage|(sophomore)34 5 6 7 89 10 D67.6 62.6 56.9 61.0 64.9 52.0 56.0 63.6 54.9 59.667.5 56.6 63.8 61.8 63.7 59.7 61.5 62.6 56.4 61.8....(a) Identify the claim and state H, and HaWhat is the claim?O A. The pass completion percentages have decreased.O B. The pass completion percentages have not changed.OC. The pass completion percentages have changed.O D. The pass completion percentages have increased.Let H, be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are H, and H, ?O A. Ho: Ha 2dO B. Ho: Hd = 0H, Pa #0O C. Ho: Ha= 0p > Prt :HO D. Ho: Ha #0H3: Ha = 0OF. Ho: Ha= 0H3 Ha >0O E. Ho: Ha sdHa Hg > d

Answered: Image /qna-images/answer/e711f4a9-7743-4516-bf82-b974d3c95787.jpg

Answered: The pass completion percentages of 10…

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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Jim Smith, a marketing student, observed how much each customer spent in a local convenience store. $ 20.72 $ 16.97 $ 3.16 $ 19.41 12.67 2.60 10.39 9.51 14.95 22.28 5.10 2.47 15.97 5.59 Intervals Frequency $0-5.99 ? $6.00-11.99 ? $12.00-17.99 ? $18.00-23.99 ? Please answer the "?" for the frequency's
The data in the accompanying table represent the total rates of return (in percentages) for three stock exchanges over the four-year period from 2009 to 2012. Calculate the geometric mean rate of return for each of the three stock exchanges. Click the icon to view data table for total rate of return for stock market indices. Click the icon to view data table for total rate of return for platinum, gold, and silver. a. Compute the geometric mean rate of return per year for the stock indices from 2009 through 2012. For stock exchange A, the geometric mean rate of return for the four-year period 2009-2012 was %. (Type an integer or decimal rounded to two decimal places as needed.) Data table for total rate of return Year A B C 2012 6.52 13.15 15.93 2011 4.79 0.00 -2.47 2010 10.00 11.85 16.38 2009 18.63 23.62 43.12 Print Done - X C Geometric mean rate of return for stock market indices Metal Platinum Gold Silver Geometric mean rate of return D 13.54% 15.78% 20.52% Print Done X
The frequency of repair for the trucks owned by a trucking firm over a 5-year period has been tabulated. The results are shown in the following frequency distribution.
Find the 25th, 50th, and 75th percentile from the following list of 25 observations. 12 17 24 25 26 27 43 45 49 50 52 53 55 68 70 72 76 80 84 88 90 92 93 96 100 25th percentile = 50th percentile = 75th percentile =
Is the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams. Team Games Won Batting Average 1 9797 269269 2 9595 275275 3 8686 273273 4 9999 261261 5 6464 285285 6 118118 260260 7 8787 274274 8 8888 280280 Using games won as the explanatory variable ?x, compute the correlation coefficient
None
e
Use the graph to identify the values of mean and standard deviation
Calculate the appropriate measure of skewness from the following distribution. Monthly income Upto 100 100-150 151-200 201-300 301-500 501-750 751-1000 1000 & above Frequency 9 51 120 240 136 33 9 2
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The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below. У, No. of absences, x 1 2 4 6. 7 8 9. Final grade, y 88.8 85.9 83.0 80.6 77.7 73.3 63.5 68.3 65.4 62.6 (Round to three decimal places as needed.) A. For every unit change in the final grade, the number of days absent falls by days, on average. B. For every day absent, the final grade falls by on average. C. For zero days absent, the final score is predicted to be 88.778 . D. For a final score of zero, the number of days absent is predicted to be days. E. It is not appropriate to interpret the y-intercept. (c) Predict the final grade for a student who misses five class periods and compute the residual. Is the observed final grade above or below average for this number of absences? The predicted final grade is |. This observation has a residual of, which indicates that the final grade is average. (Round to one decimal…
The median of the test scores given in the figure below is: Stem Leaves 667 2359 7 0011689 8. 11568 9. 0225 10 00 56 71 78 90

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