Test 1 Review

You mean is lower than your median and mode your data is?

We have data with a mean of 5 and a standard deviation 2, what range of values includes practically all of our data

When working through data you need to identify data only from the 'North' region, how would you do this

You have data on revenue and money spent on advertising, and want to visually represent the relationship so you create a

The __of A and B is the event containing the outcomes that belong to both A and B.

The squared measure of the deviation around the mean is the _____

A characteristic or quantity of interest that can take on different values

All of the elements of interest

What is the range of this data, 1, 2, 3, 4, 4, 5, 6, 7

The likelihood an event will occur is its?

Data on which numeric and arithmetic operations can be performed..

When presenting data you should consider how much information you are conveying relative to the visuals used or the _

When use data from the past to attempt to determine what will happen in the future we are using _______

When we want to know how large the standard deviation is relative to the mean we calculate the ____

When the probability of one event is dependent on whether some related event has already occurred

All possible out comes on a event is the __.

Given two events A and B, __is defined as the event containing all outcomes belonging to A or B or both

Decisions about the day to day operations of an organization are

Before any other step can be taken when solving a problem we must _____

Ratings of a Movie (1 to 5 stars) is an example of

A summary of data that shows the number of observation in each of several non overlapping classes

__ describes the probability of events with only two possible outcome with a fixed number of identical trials

A distribution that describes discrete events that occur over equal intervals of time or space

You need to break data out by categories to make exact comparisons so you make a

When we apply rules to our predictions we are using

A set of techniques that describe the past

When we make decisions based on how its always been done we are using ________ to guide our decision making

A ____ is the value of a variable at which a specified (approximate) percentage of observations are below that value.

When data is received to quickly to be processed by standard techniques we are referring to the __ property of big data

When random variables can only take specified values

We are interested in measuring the likelihood of successful sales calls any event that is not a successful call is the

You want to visualize your statistics using a map to present data gathered over different geographic areas so you create

The relative location of a value a data set, based on the standard deviation.

If our data is not symmetrical it is ____

You need to identify the highest performing products in a data set one way to do this would be

We have data with a mean of 5 and a standard deviation 2, what range of values includes 68% of our data

A value in your data has a z-score of 3.5 this is an

The value in the middle of a data set is the _____

You need to know comparative data for monthly sales so you create a

You have data with a mean 6 and standard deviation of 2 what is the z-score of 4.

Working with a data set you want to visually represent the variation in your data so you create a ____.

When you add all of your observation values together and divide by the sample/population size you have calculated

We have data with a mean of 5 and a standard deviation 2, what range of values includes 95% of our data