So far this year, a professional golfer has recorded the following scores in his 36 golf...

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So far this year, a professional golfer has recorded the following scores in his 36 golf...

So far this year, a professional golfer has recorded the following scores in his 36 golf games: Stem-and-leaf of golf scores n = 36 Leaf Unit = 0.10

65|00

66|00

67|000000

68|000000

69|000000

70|0

71|000

72|00

73|00000

74|00

75|0

The first quartile for his golf scores is ____________strokes.

Please type the correct answer in the following input field, and then select the submit answer button or press the enter key when finished.

math Statistics-And-Probability

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Answer 1

Answer #1

No of samples = n = 36

1st quartile is the smallest data value which is greater than 1/4 of the total sample values.

Since we have stem and leaf plot given the data is already in sorted order.

1st quartile will be the average of 9th and 10th smallest values.

9th smallest value is 67

10th smallest value is 67

Thus the first quartile is 67

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Answer 2

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