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Middle/High School Algebra, Geometry, and Statistics (AGS)
9.5 Types of Variates - Continuous

Continuous variate
A variable is said to be continuous if it takes any value in an interval. For eg: i)weight of a person in a group. ii)Height of a person.
Classification of continuous data
The data below gives the height (in cm) of 30 students in a class
162.2167.4161.6159.2158.0159.9
158.2158.4160.2162.8162.5163.7
161.2159.2158.9159.2154.2150.3
151.2154.3150.4152.3157.2168.4
163.4167.5168.3159.2154.2164.5

The frequency table for continuous variates is as follows.



Directions: On the basis of the given information answer the following questions. Also write at least one example of your own.
Q 1: The frequency is highest for which class interval?
168 - 171
159 - 162
153 - 156
165 - 168

Q 2: For a continuous variate can we have a class interval like 151 - 153, 154 - 156......
no
yes

Q 3: How many class intervals have the lowest frequency?
1
2
4
3

Q 4: If we wish to add a student with height 153 cm. to the data, the observation would lie in the class interval
none of these
150 - 153
153 - 156
168 - 171

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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