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A newly hired basketball coach promised a high school paced attack that will put more points on the board than the team's previously tepid offense historically managed. After a months, the team owner looks at the data to test the coach's claim. He takes a sample of 36 of the team's games under the new coach and finds that the team score an average of 101 points with the standard deviation of 6 points. Over the past 10 years, the team had average of 99 points. test the claim at 1% significane level.
explain some of the differences between the method of distribution functions the transformation method for finding the
a team of psychologists studying narcolepsy a sleep disorder characterized by sudden nodding off during the day decided
A cell phone company collects data from a random sample of 500 households. The results indicate that 135 of the households would add an extra cellular number, provided it was offered at a reduced monthly cost.
the amount of time a bank teller spends with each customer has a population mean ?x 3.1 minutes and population
with 7 a 90 confidence interval for a population mean was 103 to 108.round to 2 decimal places. example 3.87determine
A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He tests 10 children selected at random and finds that their mean attention span is 33 minutes with a standard deviation of 6 minutes.
Calulate the critical value of ra. (f) Can you reject p = 0? 12.4 Moviegoer Spending ($) on Snacks Age (X) 30,50,34,12,37,33,36,26,18,46. Spent (Y) 2.85,6.50,1.50,6.35,6.20,6.75,3.60,6.10,8.35,4.35.'
However, due to the variability in the traffic situation every morning, the standard deviation of these commutes is 5 minutes. Jenn has to be at work by 8:30 A.M. every morning.
Horizon Wireless, a cellular telephone company, is expanding into a new era. Relay towers are necessary to provide wireless telephone coverage to the different areas of the city.
the usa corps of engineers is considering two different loaders that move large amounts of fill per load. as a result
A recent article in theWall Street Journal reported that the prime rate for large banks now exceeds 9 percent. A sample of eight small banks in the Midwest revealed the following prime rates (in percent):
why do you use the chi-square statistic? what type of data is used with chi-square anaylisis? what are the
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