Sam collected data on the number of shots required to finish an eighteen hole round in the videogame Golf with Your Friends. They lost some of the data, but recorded what was left in the frequency distribution table below: Score (x) Frequency (f) Cumulative Frequency 10
Sam collected data on the number of shots required to finish an eighteen hole round in the videogame Golf with Your Friends. They lost some of the data, but recorded what was left in the frequency distribution table below: Score (x) Frequency (f) Cumulative Frequency 10
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 23PFA
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Step 1
Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case you require the unanswered parts also, kindly re-post that parts separately.
a)
From the given frequency table, the total frequency is 100
Consider the cumulative frequency for class 30<=x<40 is,
b=17+a
=17+14
=31
Thus, a=14 and b=31.
Step 2
ii)
Mean:
Score(x) | Frequency(f) | m=(lower limit+ upper limit)/2 | m*f |
10<=x<20 | 2 | 15 | 30 |
20<=x<30 | 15 | 25 | 375 |
30<=x<40 | 14 | 35 | 490 |
40<=x<50 | 25 | 45 | 1125 |
50<=x<60 | 30 | 55 | 1650 |
60<=x<70 | 12 | 65 | 780 |
70<=x<80 | 2 | 75 | 150 |
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