What is the sample size?
A marketing researcher for a toothpaste company wants to know how often on average people brush their teeth per day. He obtains a sample of adults. Their responses to his question are summarized in the following simple frequency distribution:
X f
10 1
9 0
8 0
7 3
6 3
5 0
4 4
3 3
2 8
1 2
0 1
Use this grouped frequency distribution to answer the following questions:
Ans: 25 people
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To rebalance our lives, we can:
a. ?alternate focus b. ?outsource some responsibilities c. ?bundle responsibilities d. ?all of the answer choices
Which president established the foundation that led to the development of the "Americans with Disabilities Act"?
a. Franklin D. Roosevelt b. Woodrow Wilson c. John F. Kennedy d. Richard Nixon
Answer the following statement(s) true (T) or false (F)
The sample size is in the denominator of the calculation of a sample mean.