It is known that the population mean for the full scale iq

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It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group is ___________ and the 90% confidence interval for this group is ____________________.

a. 100; (100.26; 103.74)

b.102; (100.26; 103.74)

c.100; (98.26; 101.74)

d.102; (98.26; 101.74)

Reference no: EM13618494

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