E] V e U I Eindianatech.mobius.cloud (LL [i1 + 33 Module 2 Activities and Assessments 2022_... Indiana Tech - Homework 2 u Course Hero Fall 2022 MA 2025 EOL 11 ' Homework 2 Homework 2 Remaining Time: Unlimited - Question 12 One hundred teachers attended a seminar on mathematical problem solving. The attitudes of a representative sample of 12 of the teachers were measured before and after the seminar. A positive number for change in \"'7'\"'5 attitude indicates that a teacher's attitude toward math became more positive. The 12 change scores are as How Did I Do? follows: 2; 8; 1; 2; 0; 5; 4; 1; 1; 6; 2; 2 (a) What is the mean change score? Round your answer to two decimal places. :7: = Number (b) What is the standard deviation for this sample? Round your answer to two decimal places. 8 = Number (c) What is the median change score? ': Number Submit Assignment ' Quit&Save I ' Back H Question Menu. > G 0 indianatech.mobius.cloud CL ('9 ] Module 2 Activities and Assessments 2022_... Indiana Tech - Homework 2 u Course Hero (a) What is the mean change score? Round your answer to two decimal places. 5 = [Number (b) What is the standard deviation for this sample? Round your answer to two decimal places. 8 = Number (c) What is the median change score? [Number (d) Find the change score that is 2.2 standard deviations below the mean. Round your answer to two decimal places. [Number Submit Assignment ' Quit&Save I ' Back H Question MenuA