Help please 5) Data were collected to explain the number of wins a major league baseball team has based on theearned run average (ERA) of the team's starting pitchersComplete the Table BelowRegressionStatisticsMultiple RR SquareAdjusted R Square0.707Standard ErrorObservations8ANOVAdfSSMSFRegression770.17Significance F0.005478716Residual257.83TotalStandardCoefficientsErrort StatIntercept165.4621.38P-value0.000Lower 95%Upper95%ERA-21.485.070.005

I'll walk you through each calculation I made to get to the finished table. Step 1. Multiple R:…

Answered: 5) Data were collected to explain the…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 4SGR

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Find the mean hourly cost when the cell phone described above is used for 240 minutes.
researchers wanted to determine if carpeted rooms contained more baterica than uncapted rooms. to determine the amount of bacterica in a room reseachers pumpled the air from the room over a petri dish at the rate of 1 cubic foot per minute for eight carpeted rooms and eight uncaprted rooms. colonies of baterica were alled to form in 16 petri dishes. the results shown below are the baterica counta per cubic foot mean standard deviation sample size capeted room 11.2 2.6774 8 uncapted room 9.7875 3.21 8 you want ti test using sigificance level of 0.01 whether the mean bactiria count is high for carpeted rooms than for uncapteed rooms. test whether the mean bacteria count is high for carpeted rooms thatn uncarpeted rooms. show all steps using the p value method. what is Ho and H1? what is the test statsic and p value? what conclusion can be made?
The Insurance Institute for Highway Saftey publishes data on the total damage suffered by compact automobiles in a series of controlled, low-speed collisions. A sample of the data in dollars, with brand names, removed, is 950,650,850,750 The interquartile range of the above data is?
Use R studio
Describe a variable that would likely result in platykurtic distribution.
A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Single Policyholders Married Policyholders ni = 412 n2 = 778 Number making claims = 75 Number making claims = 111 a. Use a= 0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) We cannot conclude that there is the difference between claim rates. b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number.
LEDs and CFLs. Light-emitting diodes (LEDs) and compact fluorescent lights (CFLs) are lightbulbs that are supposed to last up to fifty times longer than old fashioned incandescent lightbulbs and also use less energy. Consumer Reports sampled eighteen different 60-watt LED and CFL lightbulbs. The following table lists their brightness, in lumens. Use the technology of your choice to decide whether applying the z-interval procedure to these data is reasonable. Explain youranswer. 900 690 910 745 765 820 700 360 925 805 850 730 6865 680 750 735 865
2. In an advertisement, a certain brand of shampoo is claiming that the use of this product will make the hair grow faster. It is known that the mean length of growing hair over thirty days is 2 cm Ho: Hị: Photo is taken from https://stylecaster.com/beauty/best- hair-growth-shampoos/
Which of the measurements of variation computed in parts a-c have the same units of measure (number of sword shafts) as the original variable?
Before every flight, the pilot must verify that the total weight of the load is less than the maximum allowable load for the aircraft. The aircraft can carry 41 passengers, and a flight has fuel and baggage that allows for a total passenger load of 6 comma 724 lb. The pilot sees that the plane is full and all passengers are men. The aircraft will be overloaded if the mean weight of the passengers is greater than StartFraction 6 comma 724 l b Over 41 EndFraction equals 164 lb. What is the probability that the aircraft is overloaded? Should the pilot take any action to correct for an overloaded aircraft? Assume that weights of men are normally distributed with a mean of 179.8 lb and a standard deviation of 37.7 . The probability is approximately nothing .
The fuel consumption, in miles per gallon, of all cars of a particular model has a population mean of 25 mpg and population standard deviation of 2 mpg. The population distribution can be assumed to be normal. Find the probability that a car, chosen at random, will have a fuel consumption of less than 24 mpg. Sketch the graph, label the area corresponding to the probability, write the probability in symbolic form before finding the probability (round to 4 decimal places). b.Find the probability that a sample of 30 cars will have an average fuel consumption of less than 24 mpg. Sketch the graph, label the area corresponding to the probability, write the probability in symbolic form before finding the probability (round to 4 decimal places)
Dr. Johnson is interested in the difference in mean systolic blood pressure between groups. He performs analysis and finds a mean difference of 0.0005 mmHg in systolic blood pressure with a p value of 0.001. Dr. Johnson's findings are: a) statistically insignificant and practically significant b) statistically significant and practically significant c) statistically insignificant and practically insignificant d) statistically significant but practically ins

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