# MTH 540 Week 1- Individual Assignment Problem Set

Want create site? With you can do it easy.

# MTH 540 Week 1- Individual Assignment Problem Set

1. Identify the population and the sample in the following study.
A study of 163 patients with sleep disorders was conducted to find a link between obesity and sleep disorders. (Source:Archives of Internal Medicine 1998)

2. Determine whether the numerical value is a parameter or a statistic.
(a) In a survey of a sample of parents, 53% said they protect their children from sun exposure using sunscreen. (Source: Morbidity and Mortality Weekly Report)

Don't use plagiarized sources. Get Your Custom Essay on
MTH 540 Week 1- Individual Assignment Problem Set
From \$8/Page

(b) In a union’s vote, 67% of all union members voted to ratify a contract proposal.

3. Determine whether the data are qualitative or quantitative.
(a) A database of student identification numbers

(b) The test scores in a statistics class

6. Identify which sampling technique was used in each study. Explain your reasoning.
(a) A journalist goes to a beach to ask people how they feel about water pollution

(b) For quality assurance, every fifth engine part is selected from an assembly line and tested for durability.

(c) A study on attitudes about smoking is conducted at a college. The students are divided by class (freshman, sophomore, junior, and senior). Then a random sample is selected from each class and interviewed.

7. Which sampling technique used in Exercise 6 could lead to a biased study?

8. Determine whether each statement is true or false. If it is false, rewrite it as a true statement.
(a) A parameter is a numerical measure that describes a sample characteristic.

(b) Ordinal data represent the highest level of measurement.

p. 6-7 #9-12, 17-20
In Exercises 9–12, determine whether the data set is a population or a sample. Explain your reasoning.
9. The age of each state governor

10. The speed of every fifth car passing a police speed trap

11. A survey of 500 students from a university with 2000 students

12. The annual salary for each employee at a company

In Exercises 17–20, identify the population and the sample.
17. A study of 33,043 infants in Italy was conducted to find a link between a heart rhythm abnormality and sudden infant death syndrome. (Source: New England Journal of Medicine)

18. A survey of 1023 households in the U.S. found that 65% subscribe to cable television

19. A survey of 546 women found that more than 56% are the primary investor in their household. (Adapted from: Roper Starch Worldwide for Intuit)

20. A survey of 872 vacationers from the U.S. found that they planned on spending at least \$1800 for their next vacation

p. 107 Chapter Quiz #3-7

3. U.S. sporting goods sales (in billions of dollars) can be classified in four areas: clothing (9.6), footwear (5.9), equipment (13.5), and recreational transport (15.1). Display the data using (a) a pie chart and (b) a Pareto chart. (Source: National Sporting Goods Association)
a)

4. Weekly salaries (in dollars) for a sample of registered nurses are listed.
774 446 1019 795 908 667 444 960

a) Find the mean, the median, and the mode of the salaries. Which best
describes a typical salary?

b) Find the range, variance, and standard deviation of the data set. Interpret
the results in the context of the real-life setting

5. The mean price of new homes from a sample of houses is \$155,000 with a
standard deviation of \$15,000. The data set has a bell-shaped distribution.
Between what two prices do 95% of the houses fall?

6. Refer to the sample statistics of Exercise 5 and use z-scores to determine
which, if any, of the following house prices is unusual

7. The number of wins for each Major League Baseball team in 2000 are listed.
(Source: Major League Baseball)
87 85 83 74 69 95 90 79 77 69 91 91 82 71 95
94 79 67 65 95 85 73 72 69 65 97 86 85 82 76
a) Find the quartiles of the data set.
65 65 67 69 69 69 71 72 73 74 76 77 79 79 82 82 83 85 85 85 86 87 90 91 91 94 95 95 95 97

3. The midpoint of a class is the sum of its lower and upper limits

4. The relative frequency of a class is the sample size divided by the frequency of the class

19. Use a dot plot to display the data. The data represent the life span (in days) of 40 houseflies.

20. Use a pie chart to display the data. The data represent the number of Nobel Prize laureates by country during the years 1901–1993

38.
Japan’s estimated population for the year 2010 is given in the bar graph. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. (Source: U.S. Census Bureau, International Data Base)

39.
The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, you can use the coefficient of variation to compare data with different units

40.
(a) Use the shortcut formula to calculate the sample standard deviation for the data set given in Exercise 19

(b) Compare your results to those obtained in Exercise

Did you find apk for android? You can find new and apps.

Calculate the price
Make an order in advance and get the best price
Pages (550 words)
\$0.00
*Price with a welcome 20% discount applied.
Pro tip: If you want to save more money and pay the lowest price, you need to set a more extended deadline.
We know how difficult it is to be a student these days. That's why our prices are one of the most affordable on the market, and there are no hidden fees.

Instead, we offer bonuses, discounts, and free services to make your experience outstanding.
How it works
Receive a 100% original paper that will pass Turnitin from a top essay writing service
step 1
Upload your instructions
Fill out the order form and provide paper details. You can even attach screenshots or add additional instructions later. If something is not clear or missing, the writer will contact you for clarification.
Pro service tips
How to get the most out of your experience with Top Writers 4Me
One writer throughout the entire course
If you like the writer, you can hire them again. Just copy & paste their ID on the order form ("Preferred Writer's ID" field). This way, your vocabulary will be uniform, and the writer will be aware of your needs.
The same paper from different writers
You can order essay or any other work from two different writers to choose the best one or give another version to a friend. This can be done through the add-on "Same paper from another writer."
Copy of sources used by the writer
Our college essay writers work with ScienceDirect and other databases. They can send you articles or materials used in PDF or through screenshots. Just tick the "Copy of sources" field on the order form.
Testimonials
See why 10k+ students have chosen us as their sole writing assistance provider
Check out the latest reviews and opinions submitted by real customers worldwide and make an informed decision.
Nursing
Good job. Thank you
Customer 452487, September 16th, 2021
Mathematics
Thank you, great work!
Customer 452483, July 19th, 2021
Mathematics
Thank you so much!
Customer 452483, July 26th, 2021
English 101
Amazing thank you!
Customer 452615, August 1st, 2022
English 101
Perfect! Very informative! Appreciate all of your hard work! Thank you very much.
Customer 452483, September 22nd, 2021
Nursing
Excellent job! super recommended.
Customer 452487, August 24th, 2021
Microbiology
Perfect! Thank you guys for all of your great help! :)
Customer 452483, August 23rd, 2021
Introduction to Sociology
Thank you very much for all of your hard work!
Customer 452483, October 15th, 2021
Psychology
Thank you for all of your help and hard work, truly appreciate you guys always being there with my hectic schedule. Thank you again!
Customer 452483, September 20th, 2021
Mathematics
PERFECT! Thanks a million, you're all awesome!!!!
Customer 452483, July 7th, 2021
Biology (and other Life Sciences)
Power Point Presentation was great, appreciate all of your hard work. Thank you!
Customer 452483, August 9th, 2021
Education
Great good
Customer 452555, February 14th, 2022
1159
Customer reviews in total
96%
Current satisfaction rate
2 pages
Average paper length
47%
Customers referred by a friend
OUR GIFT TO YOU
20% OFF your first order
Use a coupon TOP20 and enjoy expert help with any task at the most affordable price.
Claim my 20% OFF Order in Chat