Assumed Mean Method of Finding Mean

Q.

Can Mean Deviation be Zero?

Q. The following table shows the ages of the patients admitted in a hospital during a year:

Age (in years)	$5-15$	$15-25$	$25-35$	$35-45$	$45-55$	$55-65$
Number of patients	$6$	$11$	$21$	$23$	$14$	$5$

Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.

Q.

For finding mean by assumed mean method

$\overline{x}$ = a + $\frac{(\sum f\times d)}{\sum f}$

Where d and a are respectively

1. Assumed frequency , difference between class mark and assumed mean

2. Difference between class mark and assumed mean, assumed frequency

3. Difference between class mark and assumed frequency , assumed mean

4. Difference between class mark and assumed mean , assumed mean

Q. What is the mean of the numbers 2, 5, 8?

1. 3
2. 4
3. 5
4. 6

Q. What is the mean of the numbers 2, 5, 8?

1. 3
2. 4
3. 5
4. 6

Q. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.

1. 75
2. 85
3. 70
4. 80