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Hunter-Best [27]
3 years ago
5

A researcher was interested in the relationship between the number of texts sent in a day and the number of e-mails sent in a da

y by employees at a certain company. Using 15 data values, a 90 percent confidence interval for the slope of a regression model was found to be (2.31, 3.47). The researcher claims that the interval would have been narrower with a different sample size if all other things remained the same. Which of the following sample sizes would make the researcher's claim NOT true?
A. 14
B. 16
C. 20
D. 30
E. 100
Business
1 answer:
mixas84 [53]3 years ago
3 0

Answer:

A. 14

Explanation:

the researcher claims that the width of the interval would have been smaller if the sample had been different, and in this case different refers to larger. The original sample included only 15 people, so in order to increase the data sample, you must include more than 15 people. That is why 14 doesn't make sense.

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Price discrimination requires:
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Which of the following might help to solve a free-rider problem? Select all that apply:
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3 years ago
The Sports Warehouse operates in two distinct segments; equipment and apparel. The income statements for each operating segment
tatuchka [14]

Answer:

1.

Vertical analysis of The Sports Warehouse's two operating segments.

                                         Equipment                 Apparel

                                       Amount$       %        Amount$        %

sales                                1,700,000   100       2,850,000     100

Cost of goods sold         1,100,000    64.7     1,400,000      49.1

Gross profit                     600,000     35.3     1,450,000       50.9      

Operating expenses      250,000      14.7      500,000         17.5

operating income           350,000      20.6     950,000        33.3

other income/expenses 25,000        1.50      (60,000)         2.1

income before tax          375,000       22.1      890,000        31.22

income tax expense       90,000        5.30     280,000        9.8

net income                      285,000      16.8      610,000        21.4

2.

The a) Apparel segment is more profitable than the b) Equipment segment

Explanation:

1.

Vertical analysis ios made by taking a percentage of each lsited items of income statement to a base value. Normally the base value is the sales value. In this question I have calculated all the percentage based on the sales value.

2.

Gross Margin

By comparing the Gross margin of both segments, 50.9% of apparel is more than that of 35.3% of Equipment. So, Apparel segment is more profitable.

Net Margin

By comparing the Net margin of both segments, 21.4% of apparel is more than that of 16.8% of Equipment. So, Apparel segment is more profitable.

4 0
3 years ago
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8 0
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Answer: The answers are provided below.

Explanation:

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