Page 134 - Data Science class 10
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5. What is the Median of the following data sample?
2, 7, 4, 8, 9, 10, 6, 12, 13
a. 8 b. 11
c. 9 d. 10
6. If the mean and the mode are given as 35 and 30. Find the Median.
a. 75 b. 33.33
c. 19 d. 32
7. Which of the following is a method of subsetting?
a. Row-based subsetting b. Column-based subsetting
c. Data-based subsetting d. All of these
8. Choose the correct answer regarding two-way frequency table.
a. Two-way frequency tables are a visual representation of the possible relationships between two sets of
categorical data.
b. Two-way frequency tables show how many data points fit in each category.
c. Both a. and b.
d. None of these
9. Find the median of the calls received on 7 consecutive days 11, 13, 17, 13, 23, 25, 19.
a. 13 b. 23
c. 25 d. 17
10. Find the arithmetic mean of the set of data: 6, 1, 5, 8, and 10.
a. 4 b. 5
c. 6 d. 7
B. Fill in the blanks.
1. ____________________ is a science of exploring available data and utilising it in your day-to-day transactions.
2. A ____________________ is a two-dimensional data structure in which data is arranged in tabular form, i.e., in the form of
rows and columns.
3. ____________________ means the value derived from the random variables in the set of data that reflects the midpoint of
the data distribution.
4. The ____________________ is the "middle" value in the list of numbers.
5. The ____________________ means the number that appears the most in a dataset.
6. To find the ____________________, your numbers have to be arranged in ascending or descending order.
7. When you simply say mean, it always means ____________________ .
8. ____________________ frequency tables display how many data points fit in each category.
9. ____________________ are used for record keeping.
10. Frequency tables are usually produced on ____________________ variables.
132 Touchpad Data Science-X

