![]() ![]() ![]() There is not sufficient evidence to conclude the mean IQ score of people in the country is greater than 103. 5: Reject the null hypothesis if the P-value is less than the level of significance. Reject the null hypothesis if the P -value is less than the level of significance. Choose the correct answer below Do not reject the null hypothesis. Solved how to find test statistic and p value on statcrunch. First, find the critical values of z using the StatCrunch normal. P-value=0.483 Write a conclusion for the test. If the IQs of the 20 children in the study result in a sample mean of 104.3 and sample standard deviation of 14, is there evidence that the children have higher IQs Use the 0.10 level of significance. It is known that IQs are normally distributed with a mean of 100. T0=0.84 The P-value=0.200 Is the sample mean significantly higher? No What do you conclude about the impact of large samples on the P-value? As n increases, the likelihood of rejecting the null hypothesis increases. However, large samples tend to overemphasize practically insignificant differences. How to Find P-Value Using Stat Crunch With Professor Hong Kim. After 5 years, the child is administered an IQ test. Is a sample mean of 528 significantly more than 523? Conduct a hypothesis test using the P-value approach. If appropriate, test using the p-value method at level of significance. Assume that the sample mean is still 528 and the sample standard deviation is still 111. StatCrunch - Calculators for P-Values and Distribution Critical Values DrCraigMcBridePhD 5.55K subscribers Subscribe 104 98K views 8 years ago Statistics Using StatCrunch to find. dev.: 111 Sample size 1800 H0: m=523 HA: m>523 calculate t0=1.91 P-Value=0.028 (c) s the sample mean statistically significantly higher? Yes (d) Test the hypothesis at the a=0.10 level of significance with nequals 350 students. ![]()
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