Sample Exam Questions On Hypothesis Testing

A random sample of 10 patients with depression is taken from a doctor s records.

Sample exam questions on hypothesis testing. Carry out an appropriate statistical test and interpret your findings. Mu 650 ha. A team of scientists want to test a new medication to see if it has either a positive or negative effect on intelligence or not effect at all.

You can skip questions if you would like and come back to them. Hypothesis testing multiple choice questions and answers for competitive exams. Math statistics and probability significance tests hypothesis testing the idea of significance tests simple hypothesis testing ccss math.

Yes a paired t test suggests that the average difference in hours slept dalmane halcion 0 32 is statistically significant one sided p value 018. Hypothesis testing chapter exam instructions. Mu less than 650 assume the population is normally distributed in a random sample of 25 subjects the sample mean is found to be x bar 640.

These short objective type questions with answers are very important for board exams as well as competitive exams. This question is asking for a hypothesis test of the equality of two means in the setting of. In order to test the bookstore s claim against their alternative the students will select a random sample of size 100.

Question 1 in the population the average iq is 100 with a standard deviation of 15. Did the medication affect intelligence. Consider the hypothesis test given by.

Hypothesis significance level the significance level is 5. In a paired sample t test each subject or entity is measured twice resulting in pairs of observations. These short solved questions or quizzes are provided by gkseries.