Answer :
The percentile for the data value 121 in the given data set is 75th percentile.
To find the percentile for the data value 121 in the given data set, we need to follow these steps:
Step 1, Sort the data set in ascending order.
111 111 112 113 113 115 115 115 117 118 119 119 121 123 127 129
Step 2, Calculate the rank of the data value 121 in the sorted data set.
The rank of 121 is the position of 121 in the sorted data set. Counting from left to right, we see that 121 is the 12th value in the sorted data set.
Step 3, Calculate the percentile rank.
Percentile rank = (Rank of the data value / Total number of data values) x 100
In this case, the total number of data values is 16. Therefore,
Percentile rank = (12/16) x 100 = 75
This means that 75% of the data values in the set are less than or equal to 121.
Correct Question :
Find the percentile for the data values. Data set:115 127 119 113 121 123 113 111 118 115 119 129 111 115 117 112; data value:121
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