Cashback Offer (25th Nov-05th Dec 2020). Get Flat 10% Cashback credited in your account on a minimum transaction of $80. Post Your Question

Question DetailsNormal
$ 14.00

Math 221 Week 3 Quiz complete solutions correct answers key

Question posted by
Online Tutor Profile
request

Math 221 Week 3 Quiz complete solutions correct answers key

 

Show as much work when possible for partial credit!!

Determine whether the given value is a statistic or parameter.

1. Ninety subway sandwiches were sampled and measured after allegations of “Footlong” subs not really being

12 inches in length. The mean of the sample was 11.48 inches.

____________________________

2. It was found that 392 of all the students in a senior class plan on attending college.

____________________________

Determine if the following data is quantitative or qualitative.

3. Due to complaints about physical injury from riding a new wooden roller coaster, a safety study is conducted by first analyzing the number of daily complaints over the last 6 months.

____________________________

4. A hotel survey asks customers to rate how likely they are to recommend a stay at their hotel to a family member or friend as “Not Likely”, “Likely”, or “Definitely Likely”

____________________________

Consider the following statistical studies. Which method of data collection would you use to collect data for each study: Observational Study, Experiment, Simulation, or Survey?

5. A study of employee satisfaction at a large corporation.

____________________________

6. To study the effectiveness of a new diet pill, a research group randomly assigns the diet pill to one group of individuals while the other group receives a placebo. For 6 months, both groups will follow the same diet and exercise regime to control for those two variables.

____________________________

7. A study of the affects an 8.0 or higher earthquake would have in New York City.

____________________________

8. A researcher is conducting a study about the fatal effects of driving under the influence of sleeping pills. She collects data by researching old records of fatalities caused due to driving under the influence of sleeping pills.

____________________________

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate.

9. The temperature of the Indian ocean at various depths.

____________________________

10. The weights of large-mouth bass at a fishing competition.

____________________________

11. The ranking of the best restaurants on the Riverwalk.

____________________________

12. Names of major grocery stores in the U.S.

____________________________

For problems 13-15, answer the following questions about symbols you’ve learned (used) this semester.

13. The mean final exam score for an entire class of 122 statistic students at a state university is 76.1. The value of 76.1 can be represented by which of the following symbols?

a. n

b. 𝑥̅

c. 𝜇

d. 𝜎

14. To calculate a sample mean (𝑥̅), you would take the summation of the data values and divide that sum by the sample size. What two symbols would you find in the formula for 𝑥̅, representing the underlined terms above?

a. 𝜎 and n

b. Σ and n

c. s and N

d. Σ and N

15. The standard deviation of the GPA’s for random sample of seniors at Highlands High school was determined to be 0.43. The value of 0.43 can be represented by which of the following symbols?

a. s

b. 𝜎

c. 𝜇

d. s2

16. The final exam grades for a graduate level course in Accounting are listed below:

78 80 82 88 95 75 86 21 91 77 80 92 75

Which statement below best summarizes the data above regarding finding the central value.

a. The mode of 75 is the best value representing the central value for the data.

b. The mean is the best value to represent the central value of grades because there does not appear to be any outliers in the data.

c. The median is the best value to represent the central value of grades because there appears to be an outlier in the data.

d. It doesn’t matter if either the mean or median is used because they always calculate to be the same value.

17. Find the z-scores for each score to determine which is relatively better with respect to their own class: Beverly who scored of 96 on a psychology test or Jasmine who scored of 77 on an economics test? Scores on the psychology test have a mean of 88 and a standard deviation of 12. Scores on the economics test have a mean of 68 and a standard deviation of 8. Explain. (Round z-scores to 2 decimal places)

18. Refer to excel dataset “Weight of Discarded Garbage for One Week” under DocSharing and using the variable “FOOD” (which is the amount of food discarded in one week measured in pounds), find the following: (use StatCrunch and round each answer to two decimal place when necessary)

a. The mean b. The median

c. The mode d. The range

e. The variance f. The standard deviation

The following sample data was collected from a final test by a typing teacher. The data is in words per minute. 10

12

19

19

21

22

25

28

28

29

30

33

35

36

37

38

38

39

41

42

44

45

46

47

47

49

49

52

53

55

55

56

56

63

67

68

75

77

85

91

 

Available Answer
$ 14.00

[Solved] Math 221 Week 3 Quiz complete solutions correct answers key

  • This solution is not purchased yet.
  • Submitted On 08 Jan, 2017 03:31:46
Answer posted by
Online Tutor Profile
solution
Math 221 Week 3 Quiz complete solutions correct answers key Show as much work when possible for partial credit!! Determine whether the given value is a statistic or parameter. 1. Ninety subway sandwiches were sampled and measured after allegations of “Footlong” subs not really being 12 inches in length. The mean of the sample was 11.48 inches. ____________________________ 2. It was found that 392 of all the students in a senior class plan on attending college. ____________________________ Determine if the following data is quantitative or qualitative. 3. Due to complaints about physical injury from riding a new wooden roller coaster, a safety study is conducted by first analyzing the number of daily complaints over the last 6 months. ____________________________ 4. A hotel survey asks customers to rate how likely they are to recommend a stay at their hotel to a family member or friend as “Not Likely”, “Likely”, or “Definitely Likely” ____________________________ Consider the following statistical studies. Which method of data collection would you use to collect data for each study: Observational Study, Experiment, Simulation, or Survey? 5. A study of employee satisfaction at a large corporation. __...
Buy now to view the complete solution
attachment
Attachment
Other Similar Questions
User Profile
Tutor...

MATH 221 Statistics for Decision Making Week 4 iLab

MATH 221 Statistics for Decision Making Week 4 iLab......
User Profile
micke...

MATH 221 WK 2 LAB

FULL SOLUTION IS ATTACHED BELOW........................................................................................................................................................................
User Profile
vpqnr...

MATH 221 Statistics for Decision Making Week 2 iLab complete solutions correct answers key

MATH 221 Statistics for Decision Making Week 2 iLab complete solutions correct answers key MATH 221 Statistics for Decision Making Week 2 iLab Name: Statistical Concepts that you will learn after completing this iLab: • ...
User Profile
vpqnr...

Math 221 Week 3 Quiz complete solutions correct answers key

Math 221 Week 3 Quiz complete solutions correct answers key Show as much work when possible for partial credit!! Determine whether the given value is a statistic or parameter. 1. Ninety subway sandwiches were sampled and m...
User Profile
kimwo...

MATH 221 Statistics for Decision Making Week 4 iLab Complete Solution

MATH 221 Statistics for Decision Making Week 4 iLab Name: _______________________ MATH221 Statistical Concepts: • Probability • Binomial Probability Distribution Calculating Binomial Probabilities  Open a new Ex...

The benefits of buying study notes from CourseMerit

homeworkhelptime
Assurance Of Timely Delivery
We value your patience, and to ensure you always receive your homework help within the promised time, our dedicated team of tutors begins their work as soon as the request arrives.
tutoring
Best Price In The Market
All the services that are available on our page cost only a nominal amount of money. In fact, the prices are lower than the industry standards. You can always expect value for money from us.
tutorsupport
Uninterrupted 24/7 Support
Our customer support wing remains online 24x7 to provide you seamless assistance. Also, when you post a query or a request here, you can expect an immediate response from our side.
closebutton

$ 629.35