Aresearcher studies the average distance that 130 people living in u. s. urban areas walk each week.
a. what is the size of the sample?
b. identify the population.
c. is this "average" a descriptive statistic or an inferential statistic if it is used to describe the 130 people studied?
d. how might you operationalize the average distance walked in 1 week as an ordinal measure?
e. how might you operationalize the average distance walked in 1 week as a scale measure? nolan, susan; heinzen, thomas. essentials of statistics for the behavioral sciences (page 16). worth publishers. kindle edition.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x+1|+1? shift 1 unit left and 1 unit down shift 1 unit left and 1 unit up shift 1 unit night and 1 unit down shift 1 unit nght and 1 unit up