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larisa [96]
2 years ago
5

Standard deviation of 19,29,21,22,23

Mathematics
1 answer:
MaRussiya [10]2 years ago
3 0

Answer:

3.370459909

Step-by-step explanation:

Figure out the arithmetic mean of the numbers (22.8)

Subtract the mean from each number and square the difference

Add up the squared differences and divide the number by 5

Square root answer

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Hello your question has a disjointed equation attached to it and it is also incomplete attached below is the correct and complete question

A teacher believes that the third homework assignment is a key predictor in how well students will do on the midterm. Let x represent the third homework score and y the midterm exam score. A random sample of last terms students were selected and their grades are shown below

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y-intercept = 25.9047

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