STATS 113 EXAM 1 Concept Review

If n is odd, the median is going to be the middle observation of your data

The following picture is an example of what kind of graph?

When finding the probability of something "LESS THAN", what do you do with the Table A value

In a stem and leaf plot, the stems are written with the LARGEST at the top

The following picture is an example of what kind of graph?

When trying to find the "Z" of an individual observation, what equation will you use?

The standard deviation of a normal distribution is 1 and has a mean of 0

The formula, (N* + 1 / 2) is used to find the order location of what ?

A ____________ variable explains or influences changes in another variable

Q3 is the median of the LOWER half of the data set

Which of the following is a characteristic of a normal distribution curve?

If n is even, then the median is the average of the two center observations in the data

Z score values should be rounded to how many decimal places?

For negative numbers, the leaves are ordered from largest to smallest

The correlation coefficient, "r" has to be between what numbers

The values in the slope-intercept equation, y = ax + b can be found using

Linear and Curved are the characteristics to describe a scatterplot's FORM

The probability of something that is not event A equals what?

A scatterplot can be defined as having a POSITVE and NEGATIVE direction

The probability of "a thing" of a "mean of n" is represented by which equation

If given the number 2.5, 2 is the "STEM" and 5 is the "LEAF"

For negative numbers, the negative sign goes on the "LEAF" side

This expression is called _____________

If N= 9, your median is going to equal

If asked to find the probability of something "GREATER THAN", you must do what with the Table A value?

The interquartile range IQR is found by which of the following

What is the direction and strength of this scatterplot?

When dealing with probability, the sum of all probabilities MUST equal

Finish the sentence: The closer "r" is to 1, the

A data point that falls outside of your data range is called an

The following picture is what kind of graph?

Which of the following is the correct formula for an outlier?

A ____________ measures the outcome of a study

___________ and __________ are the two types of variables you learned in statistics

The mean of a normal distribution is ALWAYS at the center of the curve

The formula (N+1 / 2) is used to find the location of the ____________

Objects described by a data set are called