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According to an​ airline, flights on a certain route are on
According to an​ airline, flights on a certain route are on time 85​% of the time. Suppose 10 flights are randomly selected and the number of on time flights is recorded. The probability that at least… read more
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The executives at CBC want to see how they are doing in ratings
The executives at CBC want to see how they are doing in ratings against the other networks and how the ratings will continue to change in the upcoming months. They also want to know if hiring stars ma… read more
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The executives at CBC want to see how they are doing in ratings
The executives at CBC want to see how they are doing in ratings against the other networks and how the ratings will continue to change in the upcoming months. They also want to know if hiring stars ma… read more
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What is the average rating for all CBC movies? How about ABN
What is the average rating for all CBC movies? How about ABN movies and BBS movies? Include a table that shows the average and the other descriptive statistics for the ratings of the three networks (o… read more
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Past enrollment data indicates that 65% of the students taking
Past enrollment data indicates that 65% of the students taking elementary statistics at FHSU have brown hair. Is the enrollment in this semester's virtual class significantly different from this claim… read more
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The following shows the starting salaries (in $1,000) of samples
The following shows the starting salaries (in $1,000) of samples of individual in two different industries. Using Excel, at 95% confidence test to determine if there is a significant difference in the… read more
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Problem 17.5 When one company buys another company, it is
Problem 17.5 When one company buys another company, it is not unusual that some workers are terminated. The severance benefits offered to the laid-off workers are often the subject of dispute. Suppose… read more
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Recall that very satisfied” customers give the XYZ-Box video
Recall that “very satisfied” customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the random sample of 65 satisfaction … read more
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Construct both an ungrouped and a grouped frequency distribution
Construct both an ungrouped and a grouped frequency distribution for the data given below: 38 28 37 40 37 29 39 31 38 32 41 39 40 33 28 29 37 42 31 28… read more
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A researcher claims that the average age of people who buy
A researcher claims that the average age of people who buy theatre tickets is 43. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 6. At a = 0.01 is the… read more
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Determine if Gender and Training Program are independent. This
Determine if Gender and Training Program are independent. This will require you to produce a “contingency table” where the table entries are counts. For example the “cell” for Male and Program X-30 wi… read more
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Compute the mean, median, mode and standard deviation of all
Compute the mean, median, mode and standard deviation of all variables. Comment on whether or not the statistics “make sense” for each variable. Produce a histogram of all salaries, using “bins” of 20… read more
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I am working on what are the effects on pupil performan
I am working on what are the effects on pupil performance of different types of incentives. Type of Incentive Praise Reprove Ignore Control 48 33 43 40 51 3 8 49 38 53 32 44 43 47 30 40 44 50 37 41 49… read more
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construct a grouped frequency distribution for the following
construct a grouped frequency distribution for the following 28 scores using a class width of 4 numbers given 40 39 41 48 27 37 26 33 38 31 38 27 38 46 39 28 36 34 26 37 34 43 42 25 47 29 25 28… read more
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. A researcher claims that the average age of people who buy
. A researcher claims that the average age of people who buy theatre tickets is 40. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 8. At a = 0.05 is t… read more
rajeevanpillai
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Master's Degree
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A class of 15 kindergarteners had the following weights in
A class of 15 kindergarteners had the following weights in pounds: 42 40 43 39 36 50 44 41 44 37 51 46 37 54 39 Find the mean, variance, and standard deviation.… read more
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11.73 For independent samples of customers of Internet providers
11.73 For independent samples of customers of Internet providers A and B, the ages are as listed in file XR11073. Using the 0.05 level of significance in a nondirectional test, examine whether the var… read more
muvee
muvee
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A class of 15 kindergartens have the following weights in pounds. 43
A class of 15 kindergartens have the following weights in pounds. 43 39 47 46 42 37 54 38 38 51 40 47 45 Find the mean variance and standard deviation. Starting with the data values 17 and 100 add 3 d… read more
muvee
muvee
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