Which of the following is true for normal distributions? Around 30% of the scores will be located within +/- one standard deviation of the mean. Around 50% of the scores will be located within +/- one...

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Extracted text: Which of the following is true for normal distributions? Around 30% 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. QUESTION 4 Which of the following best describes what the standard error of the mean represents? It is the sample mean. It is the sample standard deviation It is the mean of the distribution of sample means. It is the standard deviation of the distribution of sample means. QUESTION 5 How can you decrease the standard error of the mean? By increasing the standard deviation i ubmit Click Save All Answers to save all answer D000