1. We have two groups of participants. A mental health score in group 1 is given as 66,90,82,74,49. This score in group 2 is as follow 14,47,7,79,32. Which is the correct t-value? 2.5, 3.1, 1.9 or 3.8

2. You are working on protein expression of a gene and have obtained the following values: 5,8,6,3,4 which of the below is a best match for the variance? 5.6, 3.7, 4.6 or 2.8

3. If Y = 2 - 0.2X, then the value of Y-intercept is equal to:

4. A linear regression analysis of Birth Weight (grams) and Gestational Age (weeks) gave the following output. Gestational Age (Beta Coefficient=96.56; 95%CI=14.41 to 178.72; p-value=0.02). Constant (Beta Coefficient=-230.34; 95%CI=-3340.0 to 3180.30; p-value=0.39). Calculate the predicted birth weight of a baby born at 40 weeks gestational age.

5. When measuring the heights of all students in a school, it was found that it was normally distributed with a mean height of 167 cm and standard deviation of 15 cm. What proportion of students are between 167 cm and 197 cm tall?