QNT 275T
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1.
In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68.
Calculate the measures of central tendency (Mean, median, mode) and the measures of dispersion (range, standard deviation, variance).
.....

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1.
A survey is made in a neighborhood of 90 voters. 75 are Democrats and 15 are Republicans. Of the Democrats, 30 are women, while 7 of the Republicans are women. If one subject from the group is randomly selected, find the probability the individual is a male Republican.
2.
.....

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1.
A sample of 100 items has a population standard deviation of 5.9 and a mean of 32. Construct a 95 percent confidence interval for μ.
2.
At the end of 1990, 1991, and 1992, the average prices of a share of stock in a portfolio were $34.75, $34.65, and $31.25 respecti.....

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Week 1 Connect Exercise (All Possible Question Answers)
QNT/275T
College entrance exam scores, such as SAT scores, are an example of a(n)________ variable.
______ is a necessary component of a runs plot.
Jersey numbers of soccer players is a.....

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1) An interval that contains a specified percentage of the individual measurements is called a(n) _______________ interval.
2) A CFO is looking at what percentage of a company.....

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Week 3
Quiz
Consider a standard deck of 52 playing cards, a randomly selected card from the deck, and the following events: R = red, B = black, A = ace, N = nine, D = diamond, and C = club.
Are D and C mutually exclusive?
Yes, mutually exclusive.
If the mileage per .....

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QNT 275T Apply Week 4 Connect Exercise (All Possible Question Answers)
1) A sample of 100 items has a population standard deviation of 5.1 and a mean of 21.6. Construct a 95 percent confidence interval for μ.
.....

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QNT 275T Apply Week 5 Connect Exercise (All Possible Question Answers)
1) When the assumption of __________ residuals (error terms) is violated, the DurbinWatson statistic is used to test to determine if there i.....

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QNT 275T Week 1 Discussion Statistics Tools
QNT 275T Week 1 Practice Knowledge Check
QNT 275T Apply Week 1 Connect Exercise
QNT 275T Week 2 Discussion Charts
QNT 275T Apply Week 2 Connect Exercise
QNT 275T Week 2 Practice Knowledge Check
QNT 275T Week 3 Discussi.....

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QNT 275T Week 1 Discussion Statistics Tools
Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
Due Thursday
Respond to the following in a minimum of 175 words:&nbs.....

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QNT 275T Week 1 Practice Knowledge Check (All Possible Question Answers)
1) A sequence of operations that takes inputs and turns them into outputs is a ________.
2) &nbs.....

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QNT 275T Week 2 Discussion Charts
Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
Due Thursday
Respond to the following in a minimum of 175 words:
Review the Dis.....

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Wk 2: Practice: Week 2 Knowledge Check (All Possible Question Answers)
1. In a statistics class, the following 10 scores were randomly selected: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66.
What is the median?
77.0
73.0
72.0
71.0
71.5
To calculate median, put data measu.....

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QNT 275T Week 3 Discussion Sales Training
Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
Due Thursday
Respond to the following in a minimum of 175 words:
A comp.....

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Week 3
Knowledge Check (All Possible Question Answers)
In a local survey, 100 citizens indicated their opinions on a revision to a local landuse plan. Of the 62 persons giving favorable responses, 40 were males. Of the 38 giving unfavorable responses, 15 were males. If one cit.....

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QNT 275T Week 4 Discussion Income and Insurance
Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
Due Thursday
Respond to the following in a minimum of 175 words:
.....

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Week 4
Knowledge Check (All Possible Question Answers)
If we have a sample size of 100 and the estimate of the population proportion is .10, we can estimate the sampling distribution of pˆp^ with a normal distribution.
The null hypothesis i.....

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QNT 275T Week 5 Discussion The Tasty Sub Shop Case and The QHIC Case
Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.
Due Thursday
Respond to the following in a minimum of .....

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1) In simple regression analysis, the quantity that gives the amount by which Y(dependent variable) changes for a unit change in X(independent variable) is called the
2) &.....
