Suppose scores on an IQ test are normally distributed, with a population mean of 100. Suppose 20 people are randomly selected and tested. The standard deviation in the sample group is 15 and mean is...

The confidence level is 90%

Suppose scores on an IQ test are normally distributed, with<br>a population mean of 100. Suppose 20 people are<br>randomly selected and tested. The standard deviation in<br>the sample group is 15 and mean is 110. Is there a<br>significant difference between the IQ scores?<br>Ho: There is no significant difference between the IQ<br>scores.<br>

Extracted text: Suppose scores on an IQ test are normally distributed, with a population mean of 100. Suppose 20 people are randomly selected and tested. The standard deviation in the sample group is 15 and mean is 110. Is there a significant difference between the IQ scores? Ho: There is no significant difference between the IQ scores.

Jun 07, 2022

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Suppose scores on an IQ test are normally distributed, with a population mean of 100. Suppose 20 people are randomly selected and tested. The standard deviation in the sample group is 15 and mean is...

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