The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days and a standard deviation of 17 days. In what range would you expect to find the middle 50% of most pregnancies? Between and If you were to draw samples of size 43 from this population, in what range would you expect to find the middle 50% of most averages for the lengths of pregnancies in the sample? Between and Enter your answers as numbers. Your answers should be accurate to 1 decimal places.

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.60 with a standard deviation of $0.09. Using Chebyshev's Theorem, state the range in which at least 88.9 % of the data will reside. Please do not round your answers. E Tables Answer How to enter your answer Keypad Keyboard Shortcuts to $ %24

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?

Tally is interested in the fuel efficiency of her car. She computes how many miles per gallon her car got each week for the last four weeks. The data are shown below. Miles per Gallon 28 36 56 64 She computes that the mean of the data set is 4646, but also wants to know the range and standard deviation. Find the range of this data set. miles per gallon Find the standard deviation of this data set. miles per gallon