A research team conducted a study on the number of hours spent studying per week by a group of 15 high school students. The recorded hours are as follows: 2 5 3 7 4 10 3 8 5 6 9 4 7 2 3 Calculate the standard deviation of the study hours. Which of the following values represents the standard deviation?

Exam

ISEE Middle Level

Section

Difficulty

Mathematics Achievement

Standard Deviation Calculation of Study Hours

Very Hard Data Analysis And Probability Statistics

A research team conducted a study on the number of hours spent studying per week by a group of 15 high school students. The recorded hours are as follows:

Calculate the standard deviation of the study hours. Which of the following values represents the standard deviation?

$$2.2$$

$$2.9$$

$$3.5$$

$$2.6$$

Hint

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