Question 368017: (A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: rankings of students in a third grade spelling bee
(B) Determine if this data is qualitative or quantitative: Date of birth
(C) In your own line of work, give one example of a discrete and one example of a continuous random variable, and describe why each is continuous or discrete.
Construct both an ungrouped and a grouped frequency distribution for the data given below:
146 150 149 153 160 149 146 147 146 158
149 155 146 158 146 148 152 152 148 160
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work.
Class
Frequency
56-58 25
59-61 21
62-64 8
65-67 13
68-70 21
The following data lists the average monthly snowfall for January in 15 cities around the US:
25 19 21 14 24 30 28 33
32 44 25 43 5 20 42
Find the mean, variance, and standard deviation. Please show all of your work.
Answer by luckee(2)   (Show Source):
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