We appreciate your visit to The resting heart rates for a sample of 15 students are recorded in the following stemplot Values 55 63 65 69 69 69 69 70. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
The mean resting heart rate for this sample is 69.9 beats per minute.
To find the mean resting heart rate, we need to add up all of the values in the stemplot and divide by the number of values.
The values in the stemplot are:
55, 63, 65, 69, 69, 69, 69, 70, 71, 73, 73, 74, 75, 76, 77
There are 15 values in the stemplot.
Therefore, the mean resting heart rate is:
(55 + 63 + 65 + 69 + 69 + 69 + 69 + 70 + 71 + 73 + 73 + 74 + 75 + 76 + 77) / 15 = 69.9 beats per minute
Therefore, the answer is (c) 69.9 beats per minute.
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