1 A study was done to determine the age number of times per

1. A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Jose. The first house in the neighborhood around the park was selected randomly and then every eighth house in the neighborhood around the park was interviewed. The sampling method was:

a. simple random

b. systematic

c. stratified

d. cluster

2. For the numbers 1, 2, 4, 16, compute the following:

X

X²

(X)²

Use the following information to answer the next two exercises: A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter.

3. What is the population she is interested in?

a. all Lake Tahoe Community College students

b. all Lake Tahoe Community College English students

c. all Lake Tahoe Community College students in her classes

d. all Lake Tahoe Community College math students

4. The instructor’s sample produces a mean number of days absent of 3.5 days. This value is an example of a:

a. parameter.

b. data.

c. statistic.

d. variable.

Solution

NOTE: WE ARE SUPPOSE TO ANSWER ONE QUESTION AT A TIME, I WILL GIVE U SOLUTION OF 1ST AND FOR REST REPOST THE QUESTION AGAIN.

1) THE SAMPLING METHOD CHOOSEN IS A SYSTEMATIC METHOD BECAUSE IN THIS AS A SYSTEM EVERY 8TH HOUSE WAS CHOOSEN IN THE SOCIETY TO TAKE THE SAMPLE.