please help. 48. Which of the following is true for most distributions? Around 3

Question

please help. 48.

Which of the following is true for most distributions? Around 30 degree of the scores will be located within one standard deviation of the mean Around 50% of the scores will be located within one standard deviation of the mean. Around 70% of the scores will be located within one standard deviation of the mean Around 90% of the scores will be located within one standard deviation of the mean Which of the following action will have no e fleet on the value of the standard deviation?

Explanation / Answer

as we know,

68% values fall within mean (+/-) SD

95% values fall within mean (+/-) 2SD

99.7% of values fall within mean (+/-) 3SD

hence the answer is C

Around 70% of scores will be located within one standard deviation of the mean

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