Based on a sample of 36, you wish to test if the average calorie intake for females is less than the expected calorie intake of 2000 kcal. The sample have an average calorie intake of 1875 kcal with a standard deviation of 270 kcal. The alpha is 5%. The test value is __________________________ Question 27 options: a) 1.45 b) - 6.67 c) None of the options d) 2.44 e) - 2.78