MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
The median of the following observations arranged in ascending order is 64. Find the value of x : 27, 31, 46, 52, x, x + 4, 71, 79, 85, 90
Topic: Mean / median / mode / quartiles
Previous-year question practice database
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Answer
Exam answer
(c) For 10 observations, median=(5th+6th)/2=(x+x+4)/2=x+2=64 ⇒ x=62.
Explanation
Use the cumulative frequency or the ordered frequency distribution to locate the required statistical position, then read or calculate the corresponding value.
In words
For 10 observations, median=(5th+6th)/2=(x+x+4)/2=x+2=64 ⇒ x=62.
More from Measure of Central Tendency (Mean, Median, Quartiles and Mode)
Rakhi’s mobile number has the following integers :
1, 6, 9, 8, 9, 1, 7, 8, 9
The mode of the above given data is :2026Find the mean of the following frequency distribution using step-deviation method.
Take assumed mean = 282026Assertion (A): The mean of first 9 natural numbers is 4.5.
Statement 2: Mean = Sum of all observations / Total number of observations2025mean, to the nearest whole number2025median2025the total number of workers.2025