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19.03.2020 •
Mathematics
Consider the data below. 20, 40, 50, 50, 60, 80, 80, 80 Each value increases by 10. Determine whether each statement is true or false. The mean increases by 10. Response area. The median increases by 10. Response area The mode increases by 10. Response area
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Ответ:
True
True
True.
All the statements are true.
Step-by-step explanation:
When the data values are increased by 10, the value of the mean, median and mode also increases by 10.
Kindly check the attached file for the workings.
Ответ:
The mean increases by 10.
The median increases by 10.
The mode increases by 10.
Step-by-step explanation:
Given the set of data
20, 40, 50, 50, 60, 80, 80, 80
Mean
=(20+40+50+50+60+80+80+80)÷8
=460 ÷ 8 =57.5
Median=(50+60)÷2=110÷2=55
Mode=80
If each value is increased by 10.
The new set of data will be:
30, 50, 60, 60, 70, 90, 90, 90
Their Mean
=(30+50+60+60+70+90+90+90)÷8
=540 ÷ 8 =67.5
Median=(60+70)÷2=130÷2=65
Mode=90
From the two calculations above, we can conclude that
The mean increases by 10.
The median increases by 10.
The mode increases by 10.
Ответ:
Yes, I am. Follow Me
Step-by-step explanation: