Statistical Terms
The difference between the maximum and the minimum value in a data set is called the_________
Range
What is the formula for calculating the z-scores of a data set
(Value - Mean)/Standard Deviation
The fundamental principle states that if an event can occur M times and another event can occur N times, then both event can occur?
M*N times
A bag contains 12 balls; 3 red, 5 blue, and 5 yellow. What is the probability of selecting a blue ball at random?
5/12
Which teacher started teaching at the same time at Greg Mathis as Mr. Barnett?
Mr. Coleman
Dividing a data set into 4 equal parts, each part is know as a _______________
Quartile
On a normal distribution curve what is the value of the z-score at the center of the curve?
0
A child orders breakfast at a restaurant that serves two types of drink and three types of sandwich. How many different types of meal can this child order?
6
A spinner has 4 equal pieces to it, labeled 1, 2, 3, or 4. What are the odds that you will spin and land on an even number?
2/4 or 1/2
Which Teacher attended Dillon High School in SC?
Mr. Coleman
If I was looking for the number that occured most, I would be looking for what? Mean, Median, or Mode?
Mode
On a normal distribution curve (Bell Shape Curve) what is the percentage that represents the a z-score of 0?
50%
How many ways can 6 books be arranged on a shelf?
6*5*4*3*2*1 = 720
Probabilities that involves educated guesses are know as?
Subjective Probabilities
Which Teacher taught at Johnsonville Elementary before teaching at Greg Mathis?
Miss Rosie
To find the mean of a set of numbers, I need to _________________
Add all the number up then divide by the amount of numbers.
Calculate the z score of a student's age who is 15 years old where the mean age is 17 years and the standard deviation is 2
-1
How many different four-digit ID tags can be made if it must start with a 9 and no repeats are allowed?
1*9*8*7=504
Which of the following cannot be a value for a probability,
0, -0.84, 3/119, 1
-0.84
Which middle school in Charleston does Miss Young daughter attends?
Hannahan Middle
The _________________ measures how much all the values spread out around the mean
Standard Deviation
A negative z-score means that the value lies _______ the _________
below, mean
To crack Mr. Barnett cellphone, you must use 4 code serial number. This is made up of 3 numbered digits followed by a vowel. How many possible combination you will have to go through to crack his phone and get nosey in his private messages...lol. Digits cannot be repeated
10*9*8*6 = 4320
If the probability that it will rain tomorrow is 0.85, what is the probability that it will not rain tomorrow?
0.15
Your teacher is gifted to be able to play the which one of the following instrument?
Guitar, Keyboard, Drum, Violin
Keyboard