Find the median of onion prices in Yahapur and Wahapur. Class 7

Find the median of onion prices in Yahapur and Wahapur. Class 7

Question 1.

Find the median of onion prices in Yahapur and Wahapur. Class 7

Solution:

Prices in Yahapur in ascending order : 17, 19, 23, 30, 35, 38, 39, 42, 42, 52, 56, 59.

So, median price = [latex]\frac {35+39}{2}[/latex] = ₹ 38.50.

Question 2.

Sanskruti asked her class how many domestic animals and pets each had at home. Some of the students were absent. The data values are 0, 1, 0, 4, 8, 0, 0, 2, 1, 1, 5, 3, 4, 0, 0, —, 10, 25, 2, — ,2, 4. Find the mean and median. How would you describe this data? Class 7

Solution:

Mean according to students present in the class

= [latex]\frac {0+0+0+0+1+1+1+2+2+2+3+4+4+4+5+8+10+25}{20}[/latex]

= [latex]\frac {72}{20}[/latex] = [latex]\frac {18}{5}[/latex] = 3.6

Median = [latex]\frac {2+2}{2}[/latex] = 2

This data is affected by many outliers.