Related questions
Characteristics of the Study Sample (N = 842)
|
Sample Characteristic |
Frequency (N) |
Percentage or Mean (SD) |
|
|
Gender Female Male |
408 434 |
48.5% 51.5% |
|
|
Age (years) |
842 |
55.1 (5.3) |
44–67 |
|
Race/ethnicity White, not Hispanic African American |
701 141 |
83.3% 16.7% |
|
|
Smoking status Nonsmoker Currently smokes <1 pack/day Currently smokes 1+ packs/day |
698 91 53 |
82.9% 10.8% 6.3% |
|
|
BMI |
831 |
24.9 (4.1) |
18.1–36.3 |
-
Which variables in the table, if any, were measured on a nominal scale?
-
Which variables in the table, if any, were measured on an ordinal scale?
-
Which variables in the table, if any, were measured on an interval scale?
-
Which variables in the table, if any, were measured on a ratio scale?
-
Which measure(s) of
central tendency , if any, are presented in this table -
Which measure(s) of variability, if any, are presented in this table
-
If age were
normally distributed , approximately what percentage of the sample would be older than 60 years? -
If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?
Trending nowThis is a popular solution!
Step by stepSolved in 5 steps
-
If age were
normally distributed , approximately what percentage of the sample would be older than 60 years? -
If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?
-
If age were
normally distributed , approximately what percentage of the sample would be older than 60 years? -
If BMI were normally distributed, approximately what percent of the sample would have a BMI higher than 33?
- sample data is includedarrow_forwardType size Mean S.D. I 10 136.7 4.5 II 15 138.3 4.6 7. | find the 98% econfidence interval for the difference of mean fabric strengths for the two types using a pooled interval. Interpret your answer.arrow_forward7,12,4,8,3,10,11,5,13,1,12,3,5,1,17,4,8,8,7,17,4,7,1,7,3,7,3,13,3,4,7,8,10,2,5,4,3,5,8 determine the median using the method for groped data analysis onlyarrow_forward
- Hw03's csv file attached below.please answer for Question 2 and Question 3arrow_forwardMr 8. The results for an IQ quiz taken by 8 students from Ze Class A and Class B are shown below. The fal maximum score for the quiz is 25. we Class A: 4, 6, 6, 7, 8, 10, 11, 12 Class B: 0, 1, 1, 2, 3, 14, 17, 25 (i) Calculate the mean and standard deviation for Class A and Class B. Show your working clearly.arrow_forward-What does it mean if two samples are significantly different from each other? What does it mean if they are not significantly different? -Economists say women make less than men in the United States by a wide margin. Do we find the same thing? What about income differences between White and Black Americans in the U.S.? How does our data fit with our understanding of pay discrepancies? in reference to t tests use graph to answer questoinsarrow_forward
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning 
Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSON
The Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. Freeman
Introduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman