If the mean of th

Given is the frequency distribution table for ungrouped data.

We have

Mean of such ungrouped data is given by

[ Mean = 7.2]

7.2(40 + K) = 260 + 10K

288 + 7.2K = 260 + 10K

10K – 7.2K = 288 – 260

2.8K = 28

K = 28/2.8

K = 10

Thus, K = 10.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Mode44 mins
Frequency Distribution Table58 mins
Graphs42 mins
Median58 mins
Mean61 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses
RELATED QUESTIONS :

Weights of parcelAP- Mathematics

Number of familieAP- Mathematics

The donations givAP- Mathematics

Number of villageAP- Mathematics

If the mean of thAP- Mathematics

On the occasion oAP- Mathematics

The mean (averageAP- Mathematics

The heights of boAP- Mathematics

Centuries scored AP- Mathematics

AFLATOUN social aAP- Mathematics