
Concept explainers
i.
To find Canada’s percentile rank
i.

Answer to Problem 5CYU
Percentile ranking is 60
Explanation of Solution
Given Information: Total medal counts of some countries,
Country | Total |
Belarus | 6 |
France | 15 |
Austria | 17 |
Norway | 26 |
Russia | 33 |
Switzerland | 11 |
Netherlands | 24 |
United states | 28 |
Germany | 19 |
Canada | 25 |
Formula used: Percentile formula is,
Where, b is number of terms below the percentile
n is total number of terms
Calculation:
Re-arranging the counties in an increasing order of their medals,
Country | Total |
Belarus | 6 |
Switzerland | 11 |
France | 15 |
Austria | 17 |
Germany | 19 |
Netherlands | 24 |
Canada | 25 |
Norway | 26 |
United States | 28 |
Russia | 33 |
Number of countries above Canada (b) = 6
Total number of terms (n) = 10
Substituting the values in percentile formula
On solving,
Hence, percentile ranking of Canada is 60
ii.
To find out country at 50th percentile rank.
ii.

Answer to Problem 5CYU
Germany is at 50th percentile
Explanation of Solution
Given information:
Percentile ranking is 50
Formula Used: Percentile formula is,
Where, b is number of terms below the percentile
n is total number of terms
Calculation:
Substituting values,
Cross-multiplying both sides,
On solving,
Comparing the value with the table.
At 5th position is Germany. Hence, Germany is at 50th percentile.
Chapter 10 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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