Question

50 POINTS AND BRANLIEST What is the median value of the data set shown on the line plot?

Answer 1

Solution:

Step-1: Find the data.

• 70's: 1
• 80's: 1
• 90's: 2
• 100's: 3
• 110's: 4
• 120's: 4
• 130's: 2
• 140's: 1

Data obtained (Smallest to biggest):

• 70, 80, 90, 90, 100, 100, 100, 110, 110, 110, 110, 120, 120, 120, 120, 130, 130, 140

Step-2: Count the number of digits.

• 18 digits in data

Step-3: Use the formula "Total digits/2".

• 18/2 = 9th digit

The 9th digit in the data is the median.

Step-4: Revise the data.

• 70, 80, 90, 90, 100, 100, 100, 110, 110, 110, 110, 120, 120, 120, 120, 130, 130, 140

The median value of the line plot is 110.

Answer 2

When placing the numbers of the data in order you get 110 as the answer.