statistic

1-

A reasearcher uses an anonymous survey to investing the tv-viewing habits of American adolescents. The goal of the research is to determine the average number of hours each day that American adolescents spend watching tv. The researcher is trying to determine a number that is an example of ____.

2-In frequency distribution graph, frequencies are presented on the ____, and the scores are listed on the ____.

3-What is the mean for the population of scores shown in the frequency distribution table?

4-Organizing a set of scores in a table is an example of using ____.

5-For the data in following table what is the value of sigma X?

6-For a positively skewed distribution with a mean of M = 20, what is the most probable value for the median?

2-What is the preferred measure of central tendency for scores measured on an ordinal?

3- After 5 points are subtracted from every score, the sample mean is found to be M= 24

4-What is the sshape of the distribution for the following set of data?

5-A sample of n= 6 scores has a standard deviation of s= 3. What is the value of SS, the sum of the squared deviations, for this sample?