1. A restaurant asks a sample of its customers \"How many times per week do you
ID: 3206097 • Letter: 1
Question
1. A restaurant asks a sample of its customers "How many times per week do you eat here?"
17 people say "1 time a week", 5 people say "2 times a week", and 2 people say "3 or more times per week"
The appropriate measure of central tendency for this data is:
a. mean
b. median
c. mode
d. any of these
2. Explain why the mean is not a good measure of central tendency for a skewed distribution.
a. There is too much variation among the scores.
b. The mean does not factor in the extreme scores.
c. The mean shows only the most frequent scores.
d. Extreme scores can distort the mean toward a tail.
3. If a researcher counts the number of students in each category of freshmen, sophomore, junior, and senior at Rice Univ. The measure of central tendency which can be used on this data is:
a. mode
b. mean
c. median
d. weighted mean
4. Which one of the following is TRUE?
a. The mode is the point in a distribution at which 50% of scores fall above and below it.
b. Calculation of the mean factors in every score in a distribution.
c. The median is the measure of central tendency which is most influenced by extreme scores.
d. The mode is typically the most valuable measure of central tendency to know.
5. Which measure of central tendency would be best to report for the following salary data? mean salary = $63,250 median salary = $39,000
the mode
the mean
the median
the average
a. mode
b. mean
c. median
d. weighted mean
Explanation / Answer
The appropriate measure of central tendency for this data is:
ans) a. mean
Explain why the mean is not a good measure of central tendency for a skewed distribution.
ans) d. Extreme scores can distort the mean toward a tail.
If a researcher counts the number of students in each category of freshmen, sophomore, junior, and senior at Rice Univ. The measure of central tendency which can be used on this data is:
d. weighted mean
4. Which one of the following is TRUE?
ans) b. Calculation of the mean factors in every score in a distribution.
5. Which measure of central tendency would be best to report for the following salary data?
ans)
the median
c.the median
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.