**Quiz 4: Inferential**

**Score 10 out of 10**

**Question 1 ****1 pts**

The WPC Sports Company has noted that the size of individual "customer order" is normally distributed with a mean of $100 and a standard deviation of $12. If a soccer team of 16 players were to make the next batch of orders, what would be the standard error of the mean?

Group of answer choices

**Question 2 ****1 pts**

When sample size increases

Group of answer choices

**Question 3 ****1 pts**

Which of the following is a Type-I error?

Group of answer choices

**Question 4 ****1 pts**

What is the confidence level when the level of significance is 0.07?

Group of answer choices

**Question 5 1 pts**

Which of the following is a continuous random variable?

Group of answer choices

**Question 6 ****1 pts**

Which of the following is a difference between the t-distribution and the standard normal (z) distribution?

Group of answer choices

**Question 7 ****1 pts**

The central limit theorem states that even if the population is not normally distributed, the

Group of answer choices

**Question 8 1 pts**

Which of the following proposition describes an existing theory or belief?

Group of answer choices

**Question 9 ****1 pts**

In order to reject the null hypothesis, the p-value must be less than the

Group of answer choices

**Question 10 ****1 pts**

You are collecting data via an online survey to improve education standard at ASU. Which of the following methods will not result in data collection bias?

Group of answer choices