Review U1,2

Question 1

What means to prove a hypothesis?

Accepted Answer

To verify if our assumptions are right using mathematics

Question 2

What is the first step of THE FIVE BASIC ACTIVITIES OF STATISTICS?

Accepted Answer

Design a plan for data collection

Question 3

which of the following is an example of an elementary unit on a table ?

Accepted Answer

Names of Restaurants

Question 4

Example of quantitative data

Accepted Answer

Revenue of the company sales

Question 5

A piece of information recorded for every item (eg, its cost) is called

Accepted Answer

variable

Question 6

which of the following is an example of discrete data?

Accepted Answer

number of dogs

Question 7

What means to model the data?

Accepted Answer

choose a range of mathematical methods to reach conclusions

Question 8

What is an example of big data?

Accepted Answer

The information generated by clicks on Facebook

Question 9

The art and science of collecting and understanding data

Accepted Answer

Statistics

Question 10

the percentage , or chances, for an occurence to happen is known as

Accepted Answer

Probability

Question 11

Example of primary data

Accepted Answer

My company collects data from surveys

Question 12

data sets that have three or more pieces of information recorded for each item are

Accepted Answer

multi-variate data

Questions 12