Example of parametric data and nonparametric data

Reference no: EM1356422

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? ____

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 difference statistically significant? ____

3. A catering company is buying equipment in order to set up their own store. They have a choice of two ovens that they can purchase for the store. The used oven is $100 less than the new oven, but its heating calibration is off by 20 degrees. Which one is a better buy for them? ____

4. Jim Smith owns three real estate offices in Anytown. He has decided to open one more office, but he cannot decide between Hometown or Uptown as the town where he 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. ____

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

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? ____

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 each of the stylists? ____

8. A comparison of salaries between male and female employees in the same organization.

Reference no: EM1356422

Questions Cloud

Explain process of extracting contours from edge image : Assume that the edge points in an image are extracted using a robust edge detection. Explain the process of extracting the contours from this edge image.

Compute annual holding cost plus the annual ordering cost : Compute the annual holding cost plus the annual ordering cost to get the total annual cost when using an order quantity of 200 boxes.

Measures of interests and attitudes : Explain the difference between personality measures and measures of interests and attitudes.

Difference among government purchases and net tax : Explain the difference among the government purchases multiplier and the net tax multiplier. If the MPC falls, what happens to the tax multiplier.

Example of parametric data and nonparametric data : Label each of the following situations "P" if it is an example of parametric information or "NP" if it is an example of nonparametric information.

Leading and working with different generations : This brief solution discusses leading and work with different generations. It discusses the values and motivation of each of the four generations in the workplace at this time.

Bond discount amortization schedule : Prepare a bond discount amortization schedule which shows the amortization of discount for the first two interest payment dates. (Round to the nearest dollar.)

Variables surrounding personality traits : Explain what is the role of traits in affecting the choice of managerial roles and facilitating or hindering communication? Creating or resolving conflicts?

Issues affecting the field of psychological testing : What are at least two legal issues associated with psychological testing? How do these issues affect the field of psychological testing?

User Account

All Pages