1. Identify the following as a discrete or a continuous variable. a, Age b.#Of S
ID: 3063774 • Letter: 1
Question
1. Identify the following as a discrete or a continuous variable. a, Age b.#Of Students C. Weight d. Price 2. Identify these variables are Qualitative or Quantitative a. Level of Education b. Colo c. Distance d. Religion 3. Identify which measurement level is appropriate for a qualitative or a quantitative variable. a. Nominal b. Ordina . Ratio d. Interval 4. Science Scores for 10 students are given below: 65 75 80 95 80 65 95 65 95 80 A. Construct a frequency distribution table containing Frequencies, relative frequencies, percentages, Cumulative frequencies, Cumulative relative frequencies B. Find the proportion of students with scores of at least 80. C. Find the proportion of students with scores of at most 65. D. Find the median(X50-50th percentile) using the formula 6. Compute the probability of getting 2 tails head when tossing a coin 3 times. Please list all possible outcomes first. 7. Compute the mean, mode, median, range, Sum of squares, variance & standard deviation for these scores. Xi:1, 3,1,3Explanation / Answer
1:
(a)
Age can take any values so it is a continuous variable.
(b)
Number of students can take some specific values like 36, 48 etc. So it is discrete random variable.
(c)
Weight can take any value. So it is continuous random variable.
(d)
Price can take any value like $4.99 or $6.00 etc. So it is continuous random variable.
2:
(a)
Level of education is a categorical variable. It can be high school, college degree etc.
Answer: Qualitative
(b)
Color is a categorical variable. It can be red, green etc.
Answer: Qualitative
(c)
Distance can be measured. It is quantitative variable.
(d)
Religion is a categorical variable.
Answer: Qualitative
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