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Parametric and Nonparametric Data Identification Assignment - Papers

Parametric and Nonparametric Data Identification Assignment

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Parametric and Nonparametric Data Identification Assignment

Label each of the following situations “P” if it is an example of parametric data or “NP” if it is an example of nonparametric data.

1. A manufacturer produces a batch of memory chips (RAM) and measures the mean-time-between-failures (MTBF). The manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF. Did the change to the process improve the MTBF? __P__

2. From a written survey where the respondents were asked to rate an individual on a scale of 1 to 5, one group rated an individual a 3.7, another group rated the individual a 4.3. Is the ...

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wants to locate. He will be comparing the mean number of homes sold per real estate agent, and the mean commission percentage earned by agents in the two towns to make his decision. __P__

5. A study to determine if job absenteeism is distributed evenly over the week. __NP__

6. Mel’s Diner has been surveying their customers for the past couple of years about their dining experience in the restaurant. The survey uses a scale of one to five, five being best to indicate customer satisfaction. Mel’s customer satisfaction averaged 2.5 last year, but this year it is 2.9. Is this difference statistically significant? __NP__

7. Sally’s Beauty Salon just opened for business. Sally assigns the stylists customers on a rotation basis so that everyone is kept busy all day. One month after she opened the salon, Sally’s customer count for each stylist was (a) 20 customers; (b) 30 customers; (c) 15 customers; and (d) 25 customers. Has Sally been fair in how she allocates customers to ...

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PAPER DETAILS

Added: 8/9/2012 01:05:11 AM
Submitted By: mgarcia4417
Category: Business
Type: Free Paper
Words: 376
Pages: 2

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