The mean, as a measure of central location, would be inappropriate for which one of the...
The mean, as a measure of central location, would be inappropriate for which one of the following? A. Ages of adults at a senior citizen center B. Incomes of lawyers C. Number of pages in textbooks on statistics D. Marital status of college students at a particular university
Homework Answers
Mean would be inappropriate for Marital status of college students at a particular university
As it is a qualitative measure and all other are quantitative.
Option d is correct
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The mean, as a measure of central location, would be inappropriate for which one of the...
For each of the following distributions, indicate which measure of central tendency might be preferred and...
For each of the following distributions, indicate which measure of central tendency might be preferred and explain why a. age of students in an urban university 12. b. marital status (eg., single, married, not married but living together as a couple, c. height of all male students in a particular college Which of the indices of central tendency is not influenced by a single extreme score? Why is the range an imprecise measure of variability? Draw distributions such that the...
1.- a) Given that the distribution is symmetrical, which is the most appropriate measure of central...
1.- a) Given that the distribution is symmetrical, which is the most appropriate measure of central tendency for each variable (explain your answer by stating the level of measurement for each variable). You can organize your answer into the following format. Variable Name Level Measurement Measurement of central tendency b) What can you say about marital status, number of children and happiness with marriage in terms of their measure of central tendency (Hint: these answers should be based on the...
Which of the following is an example of a one-way ANOVA test? a.) Comparing the monthly incomes...
Which of the following is an example of a one-way ANOVA test? a.) Comparing the monthly incomes of residents who live in urban and suburban areas. b.) Studying the number of hours of sleep for teenagers, adults, and senior citizens. c.) Studying the number of hours slept as well as the average GPAs for middle school, high school, and college students. d.) Comparing the number of hours of sleep between children and teenagers.
15. Which of the following is not a measure of location? (a) mean (b) median (c)...
15. Which of the following is not a measure of location? (a) mean (b) median (c) variance (d) percentile (e) quartile 16. Which of the following statements is false? (a) the median is a measure of central tendency (b) quartiles are not measures of central tendency (c) the 50th percentile is the median (d) an extreme value is likely to have a greater effect on the median than the mean (e) the 25th percentile is the first quartile (Q1) Indicate...
The question is which measure of central tendency would be appropriate to use to describe the...
The
question is which measure of central tendency would be appropriate
to use to describe the center of the distribution and what the
values of those statistics mean.
POLITICAL PARTY AFFILIATION Percent Valid Percent Cumulas 15.7 16.4 13.8 21.2 10.7 12.2 10.0 100.0 15.7 32.0 45.8 67.1 IND, NEAR DEM 521 77.8 INDEPENDENT IND, NEAR REP NOT STR REPUBLICAN 90.0 11.8 299 100.0 STRONG REPUBLICAN 96.7 2453 Total ssing OTHER PARTY DK Total 2538 100.0 Total PERCEIVED STRENGTH O F...
A measure of central tendency, such as the mean (average) is a tabular representation...
A measure of central tendency, such as the mean (average) is a tabular representation of data b. graphical representation of data numerical representation of data d. historical representation of data A bar graph or a histogram is a tabular representation of data b. graphical representation of data numerical representation of data d. historical representation of data A cumulative frequency distribution is a representation of data b. graphical representation of data ...
7,8,9 Question 7 One population proportion text: Which of the following Select One situations involves testing...
7,8,9
Question 7 One population proportion text: Which of the following Select One situations involves testing a claim about a single population 10 points proportion? A. A recent study estimated that 20% of all college students in the United States smoke. The head of Health Services at Goodheart University suspects that the proportion of smokers may be lower there B. A certain prescription allergy medicine is supposed to contin e nge of 246 parts per million (ppm) of a certain...
22. In which situation would it be inappropriate to use a nonparametric test? a. The sample...
22. In which situation would it be inappropriate to use a nonparametric test? a. The sample size is small and the population distribution might be skewed. b. The dependent variable is scale. c. The dependent variable is nominal. d. The dependent variable is ordinal. 23. A chi-square test for independence is an appropriate statistical test to use when the study has: a. one nominal dependent variable. b. one scale independent variable. c. two nominal dependent variables. d. two scale independent...
(6 points) Parameters and statistics. Identify which value represents the sample mean and which value represents...
(6 points) Parameters and statistics. Identify which value represents the sample mean and which value represents the claimed population mean. 1. A recent article in a college newspaper stated that college students get an average of 5.5 hours of sleep each night. A student who was skeptical about this value decided to conduct a survey by randomly sampling 25 students. On average, the sampled students slept 6.25 hours per night. a. The sample mean is: b. The claimed population mean...
13. In which of the following cases would an independent two sample t test be inappropriate?...
13. In which of the following cases would an independent two sample t test be inappropriate? a. Comparing weight loss in excitable and calm people on a similar diet. b. Comparing IQ of men and women. -c. Comparing changes of attitudes of students from their Freshmen to their Senior year. d. Comparing vitamin C retained in broccoli when cooked by steaming or boiling. 14. Null and alternative hypotheses are statements about - a population parameters c. sample statistics b. sample...
For each of the following distributions, indicate which measure of central tendency might be preferred and explain why a. age of students in an urban university 12. b. marital status (eg., single, married, not married but living together as a couple, c. height of all male students in a particular college Which of the indices of central tendency is not influenced by a single extreme score? Why is the range an imprecise measure of variability? Draw distributions such that the...
Which of the following is an example of a one-way ANOVA test? a.) Comparing the monthly incomes of residents who live in urban and suburban areas. b.) Studying the number of hours of sleep for teenagers, adults, and senior citizens. c.) Studying the number of hours slept as well as the average GPAs for middle school, high school, and college students. d.) Comparing the number of hours of sleep between children and teenagers.
The
question is which measure of central tendency would be appropriate
to use to describe the center of the distribution and what the
values of those statistics mean.
POLITICAL PARTY AFFILIATION Percent Valid Percent Cumulas 15.7 16.4 13.8 21.2 10.7 12.2 10.0 100.0 15.7 32.0 45.8 67.1 IND, NEAR DEM 521 77.8 INDEPENDENT IND, NEAR REP NOT STR REPUBLICAN 90.0 11.8 299 100.0 STRONG REPUBLICAN 96.7 2453 Total ssing OTHER PARTY DK Total 2538 100.0 Total PERCEIVED STRENGTH O F...
7,8,9
Question 7 One population proportion text: Which of the following Select One situations involves testing a claim about a single population 10 points proportion? A. A recent study estimated that 20% of all college students in the United States smoke. The head of Health Services at Goodheart University suspects that the proportion of smokers may be lower there B. A certain prescription allergy medicine is supposed to contin e nge of 246 parts per million (ppm) of a certain...
22. In which situation would it be inappropriate to use a nonparametric test? a. The sample size is small and the population distribution might be skewed. b. The dependent variable is scale. c. The dependent variable is nominal. d. The dependent variable is ordinal. 23. A chi-square test for independence is an appropriate statistical test to use when the study has: a. one nominal dependent variable. b. one scale independent variable. c. two nominal dependent variables. d. two scale independent...
(6 points) Parameters and statistics. Identify which value represents the sample mean and which value represents the claimed population mean. 1. A recent article in a college newspaper stated that college students get an average of 5.5 hours of sleep each night. A student who was skeptical about this value decided to conduct a survey by randomly sampling 25 students. On average, the sampled students slept 6.25 hours per night. a. The sample mean is: b. The claimed population mean...
13. In which of the following cases would an independent two sample t test be inappropriate? a. Comparing weight loss in excitable and calm people on a similar diet. b. Comparing IQ of men and women. -c. Comparing changes of attitudes of students from their Freshmen to their Senior year. d. Comparing vitamin C retained in broccoli when cooked by steaming or boiling. 14. Null and alternative hypotheses are statements about - a population parameters c. sample statistics b. sample...
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