The weights of 6 month-old girls in the United States are Normally distributed with a mean of approximately 16 pounds and a standard deviation of approximately 2 pounds. a. What percentage of 6 month-old girls do we expect to weigh between 15 pounds and 18 pounds? (To show your work: Write down which calculator/program you are using and what values you are entering into the calculator.) b. Find the cutoff weight value for the top 5% of weights for 6-month-old girls. (To show your work: Write down which calculator/program you are using and what values you are entering into the calculator.)

We have provided simple data sets for you to practice the basics of finding a a. population mean. b. population standard deviation. 1, 9, 8, 4, 3

should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?

Find the mean and standard deviation for the individualized instruction scores. Scores Individualized Instruction 50 - 59 2 60 69 8. 70 - 79 9 80 - 89 11 90 99 9. Mean = %3D (Round to the nearest hundredth.)