Stat 108 - Some Final Exam Review

What Type? Random variable X = the time (in seconds) it takes one email to travel between a sender and receiver.

The likelihood that a statistic would be as extreme or more than what was observed if the H_o is true is called a

A manufacturers of contact lenses it sells. The last 500 lenses sold had an avg curvature of 0.5. Population is _______.

Which one of the following is not appropriate for studying the relationship between two quantitativevariables?

Z is a standard normal random vraible. What is the probability that Z is greater than 2, P(Z > 2)?

Of 10 students sampled from a class of 200, 8 (80%) wanted extended library hours. The number in bold is a

A hypothesis test gives a p-value of 0.03. If the significance level𝛼 = 0.05, the results are said to be

Inferential statistics is a process that involves all of the following EXCEPT

Z is a standard normal random variable Z. P(-1 <= Z <= 1) = ?

Which of the following measures is not a measure of spread?

What Type? Random variable X = the weight (in pounds) a dieter will lose after following a two-week weight lossprogram.

Which of the following is not a component of "Statistics" as defined in Week 1?

In the simple linear regression equation, the symbol yˆrepresents the

Which one of the following variables is not qualitative?

A study is typically conducted with a small group known as a___, most hope to generalize to a much larger group: ___

Which is true about the relationship between the standard deviation, s, and the range for alarge bell-shaped data set?

What Type? Random variable X=number of letters in the last name of a random student from a class onEnglish composition

Which of the following is not a term used for a quantitative variable?

Describe the type of association shown in the scatterplot below

Which of the following is true about the use of sample surveys

75% of all students at a school are in favor of more bicycle parking spaces on campus. The number in bold is

Z is a standard normal random variable. What is the probability that Z is less than or equal to 2, P(Z <= 2)?

We commit a Type II error if we make:

The average score for an entire population would be an example of a ______

Z is a stand normal random variable. What is the probability that Z is between 1.2 and 1.45, P(-1.2 ≤ Z ≤ 1.45)?

The 5 numbers in a 5-number summary are the...

What Type? Random variable X=the number of letters in a word picked at random out of the dictionary