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sukhopar [10]
3 years ago
8

You manage a call center that processes orders. One measure of efficiency in your department is the time spent on each call. You

need to report to your superiors on the time-per-call in your call center each month. You’ve identified some of your most efficient workers, and you know that efficiency tends to decrease, in general on Fridays.
1. Identify the ethical issues involved in developing a sampling protocol:
a. There are none. It's a simple mathematical operation
b. In order to get a random and representative sample, you need to consider how efficiency fluctuates over the month, and sample call times on a frequency that includes every day of the week.
c. The analysis and reporting should consider the impact of extreme values in the data.
d. Both "b." and "c." above.
Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

The answer is option A.

Step-by-step explanation:

If the report is made once a month, the daily variations (including the tendency to decrease efficiency on Friday) will be masked within the monthly result.

It would only generate an ethical problem in the case that Fridays fall in different samples, but in the case of the monthly report there are usually 4 or 5 Fridays included in each sample.

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11. Maria's age is 3 years more than twice George's age. Which expression represents George's age in terms of Maria's?
leonid [27]

Answer:

C

Step-by-step explanation:

Okay, the catch of this question is that they do a very good job of explaining Maria's age in terms of George's age, but they leave George's age in terms of Maria's all up to you.

First start off by doing an expression of what they explicitly give you. Maria's age in terms of George's age.

Let's use variables g, representing George's age and m representing Maria's age

m = 2g + 3

Okay, this is all dandy and all, but they ask us for George's age in terms of Maria's, so we need to isolate for g.

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(a) There are 119 stocks that increased in price out of 246 stocks so the probability of selecting a stock that is increased in price is 119/246 = 48.37%

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(f) Using the same logic as (e), the probability is 85/134 = 63.43%

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1 year ago
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