Fundamentals of Biostatistics
8th Edition
ISBN: 9781305268920
Author: Bernard Rosner
Publisher: Cengage Learning
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Chapter 2, Problem 26P
To determine
Find the descriptive statistic for saturated fat in diet record and show in graphically.
Find the
Find the descriptive statistics for in diet record and show in graphically.
Find the descriptive statistics for total fat in food frequency questionnaire and show in graphically.
Find the descriptive statistics for alcohol consumption in diet record and show in graphically.
Find the descriptive statistics for alcohol consumption in food frequency questionnaire and show in graphically.
Find the descriptive statistics for caloric intake in diet record and show in graphically.
Find the descriptive statistics for caloric intake in food frequency questionnaire and show in graphically.
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A recent survey of 400 americans asked whether or not parents do too much for their young adult children. The results of the survey are shown in the data file. a) Construct the frequency and relative frequency distributions. How many respondents felt that parents do too much for their adult children? What proportion of respondents felt that parents do too little for their adult children? b) Construct a pie chart. Summarize the findings
The average number of minutes Americans commute to work is 27.7 minutes (Sterling's Best Places, April 13, 2012). The average commute time in minutes for 48 cities are as follows:
Click on the datafile logo to reference the data.
DATA file
Albuquerque
23.3
Jacksonville
26.2
Phoenix
28.3
Atlanta
28.3
Kansas City
23.4
Pittsburgh
25.0
Austin
24.6
Las Vegas
28.4
Portland
26.4
Baltimore
32.1
Little Rock
20.1
Providence
23.6
Boston
31.7
Los Angeles
32.2
Richmond
23.4
Charlotte
25.8
Louisville
21.4
Sacramento
25.8
Chicago
38.1
Memphis
23.8
Salt Lake City
20.2
Cincinnati
24.9
Miami
30.7
San Antonio
26.1
Cleveland
26.8
Milwaukee
24.8
San Diego
24.8
Columbus
23.4
Minneapolis
23.6
San Francisco
32.6
Dallas
28.5
Nashville
25.3
San Jose
28.5
Denver
28.1
New Orleans
31.7
Seattle
27.3
Detroit
29.3
New York
43.8
St. Louis
26.8
El Paso
24.4
Oklahoma City
22.0
Tucson
24.0
Fresno
23.0
Orlando
27.1
Tulsa
20.1
Indianapolis
24.8
Philadelphia
34.2
Washington, D.C.
32.8
a. What is the mean commute time for…
Chapter 2 Solutions
Fundamentals of Biostatistics
Ch. 2.6 - When is it appropriate to use the arithmetic mean...Ch. 2.6 - How does the geometric mean differ from the...Ch. 2.6 - What is the difference between the standard...Ch. 2.8 - What is a stem-and-leaf plot? How does it differ...Ch. 2.8 - Prob. B.2RECh. 2.8 - Consider the stem-and-leaf plot in Figure 2.6. Is...Ch. 2.8 - What is a box plot? What additional information...Ch. 2 - The data in Table 2.13 are a sample from a larger...Ch. 2 - The data in Table 2.13 are a sample from a larger...Ch. 2 - It is of clinical interest to know if the duration...
Ch. 2 - Suppose the scale for a data set is changed by...Ch. 2 - Suppose the scale for a data set is changed by...Ch. 2 - Suppose the scale for a data set is changed by...Ch. 2 - Suppose the scale for a data set is changed by...Ch. 2 - A man runs 1 mile approximately once per weekend....Ch. 2 - A man runs 1 mile approximately once per weekend....Ch. 2 - A man runs 1 mile approximately once per weekend....Ch. 2 - A man runs 1 mile approximately once per weekend....Ch. 2 - A man runs 1 mile approximately once per weekend....Ch. 2 - The data in Table 2.15 are a sample of cholesterol...Ch. 2 - The data in Table 2.15 are a sample of cholesterol...Ch. 2 - The data in Table 2.15 are a sample of cholesterol...Ch. 2 - The data in Table 2.15 are a sample of cholesterol...Ch. 2 - The data in Table 2.15 are a sample of cholesterol...Ch. 2 - In an experiment that examined the effect of body...Ch. 2 - In an experiment that examined the effect of body...Ch. 2 - Table 2.17 Format for FEV.DAT The data in Table...Ch. 2 - Forced expiratory volume (FEV) is an index of...Ch. 2 - Forced expiratory volume (FEV) is an index of...Ch. 2 - Prob. 26PCh. 2 - The food-frequency questionnaire (FFQ) is an...Ch. 2 - In Section 2.9, we described Data Set LEAD.DAT (at...Ch. 2 - In Section 2.9, we described Data Set LEAD.DAT (at...Ch. 2 - Activated-protein-C (APC) resistance is a serum...Ch. 2 - Activated-protein-C (APC) resistance is a serum...Ch. 2 - A study was conducted to demonstrate that soy...Ch. 2 - A study was conducted to demonstrate that soy...Ch. 2 - A study was conducted to demonstrate that soy...Ch. 2 - Prob. 38PCh. 2 - In Section 2.10, we described Data Set BONEDEN.DAT...Ch. 2 - What impression do you have of the relationship...Ch. 2 - In Section 2.10, we described Data Set BONEDEN.DAT...Ch. 2 - In Section 2.10, we described Data Set BONEDEN.DAT...Ch. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 45PCh. 2 - Answer Problems 2.382.40 for BMD for the femoral...Ch. 2 - The Left Ventricular Mass lndex (LVMI) is a...Ch. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - The Left Ventricular Mass lndex (LVMI) is a...
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- Morningstar tracks the total return for a large number of mutual funds. The following table shows the total return and the number of funds for four categories of mutual funds. Click on the datafile logo to reference the data. DATA file Type of Fund Domestic Equity Number of Funds Total Return (%) 9191 4.65 International Equity 2621 18.15 Hybrid 1419 2900 11.36 6.75 Specialty Stock a. Using the number of funds as weights, compute the weighted average total return for these mutual funds. (to 2 decimals) % b. Is there any difficulty associated with using the "number of funds" as the weights in computing the weighted average total return in part (a)? Discuss. What else might be used for weights? The input in the box below will not be graded, but may be reviewed and considered by your instructor. c. Suppose you invested $10,000 in this group of mutual funds and diversified the investment by placing $2000 in Domestic Equity funds, $4000 in International Equity funds, $3000 in Specialty Stock…arrow_forwardThe days to maturity for a sample of five money market funds are shown here. The dollar amounts invested in the funds are provided. Days to Maturity 20 Dollar Value ($ millions) 20 12 30 7 10 5 6 15 10 Use the weighted mean to determine the mean number of days to maturity for dollars invested in these five money market funds (to 1 decimal). daysarrow_forwardc. What are the first and third quartiles? First Quartiles (to 1 decimals) Third Quartiles (to 4 decimals) × ☑ Which companies spend the most money on advertising? Business Insider maintains a list of the top-spending companies. In 2014, Procter & Gamble spent more than any other company, a whopping $5 billion. In second place was Comcast, which spent $3.08 billion (Business Insider website, December 2014). The top 12 companies and the amount each spent on advertising in billions of dollars are as follows. Click on the datafile logo to reference the data. DATA file Company Procter & Gamble Comcast Advertising ($billions) $5.00 3.08 2.91 Company American Express General Motors Advertising ($billions) $2.19 2.15 ETET AT&T Ford Verizon L'Oreal 2.56 2.44 2.34 Toyota Fiat Chrysler Walt Disney Company J.P Morgan a. What is the mean amount spent on advertising? (to 2 decimals) 2.55 b. What is the median amount spent on advertising? (to 3 decimals) 2.09 1.97 1.96 1.88arrow_forward
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