A. Multiple Choice. Choose the letter of the best answer. _1. Which of the following is not a measure of central tendency? C. range a. median b. mean d. mode 2. The mean of a set of observations is their divided by the number of observations. a. difference b. sum c. product d. division enables us to calculate an average that takes into account the importance of each value, to the overall total. b. weighted mean of a distribution is/are the value of the variable that divides it into two equal parts. a. arithmetic mean c. mode d. median 4. c. median b. percentiles 5. After data are arranged in an ordered sequence, a. quartile d. deciles divide/divides it into four equal parts. a. median b. deciles c. percentiles d. quartiles _6. In a data series, when values of the observations are arranged in an ordered sequence, divide/divides the data in ten equal parts. a. quartiles c. deciles b. percentiles divide/divides the data in one hundred equal parts. b. percentiles d. median 7. a. median c. quartiles d. deciles _8. Suppose that to make the golf team you need to score no more than 73 on average over 5 games. If you scored 75, 75, 75, and 66 in your first 4 games what is the highest score you can shoot in your 5th game and still make the team? а. 75 b. 74 c. 72 d. 76 _9. The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit? а. 1 10. Which of the following measures can have more than one value for a set of data? b. 11 с. 23 d. 12 a. median b. mode C. mean d. none of these

A researcher wants to see if there is a difference in APGAR scores of newborns depending on whether the mother smoked during pregnancy or not. She collects data and analyzes the results using SPSS. What is the correct way to report the results in APA style?   Question 23 options:   t(58) = 3.288, p>.05   t(58) = 3.288, p= .002   t(26.5) = 3.278, p<.05   t(26.5) =3.278, p=.003

Can you write a code for this task, i need to do it in R commander?

4x-16y=18 8y=6+2x

I need help answering #7

I actually need help with number 37.

Could you also look at the second page ?

2x-3y=11