Ungrouped and a grouped frequency distribution
Develop both an ungrouped and a grouped frequency distribution for the data given below:
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A study was conducted to determine the mean amount spent on birthday gifts for typical family having two children. A sample of 190 was taken, and the mean amount spent was $234.01. Supposing a standard deviation equal to $35.51, determine the 98%
A confidence interval determine for the population mean is given to be (35.71, 44.14). If the standard deviation is 13.045 and the sample size is 52, answer each of the following (show all work):
Ariana took two hour longer to drive 360 mi on first day of trip than she took to drive 270 mi. on second. If the speed was same on both days, find the driving time each day?
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The body is thrown straight from ground with the initial velocity of 96 feet per second. After how many seconds body reached its maximum height?
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Suppose that the population of heights of female college students is approximately normally distributed with mean m of 64.64 inches and standard deviation s of 6.02 inches. A random sample of 98 heights is obtained. Show all work.
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Grant's mom tells him to take out the trash tomorrow morning before he leaves for school. She tells him not to be absentminded and forget
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