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The heights of 500 students at a local school were recorded and found to be approximated by the normal curve below. Which
answer could represent the mean and standard deviation for these data?

The heights of 500 students at a local school were recorded and found to be approximated by the normal curve below Which answer could represent the mean and sta class=

Respuesta :

Answer:

option C.

Step-by-step explanation:

The given graph is the bell shaped graph.

From the graph we can observe that the peak is at 69.

So, the mean of the data is = 69 .

Standard deviation is the deviation of the graph from the mean value.

 =  72-69 = 3

Hence, the standard deviation is equal to 3.

So, the correct answer is option C.