47 Best Statistics Questions and Answers (Q&A) - ProProfs Discuss

What is the relationship between percentages and decimals?

E.Ruth
Answered: Feb 19, 2018

In our day to day life, we normally use percentages to describe the amount or quantity of things relative to its whole portion. For example, if we want to describe half of a pie, then we c...Read More

2 Answers

317 views

What are histograms?

G.Kenneth
Answered: Jan 24, 2018

Histograms are often seen and used in math classes. They are graphs that look like a bar graph where the bars are vertical. It shows each set of data in numerical terms. Karl Pearson created the...Read More

2 Answers

282 views

Which of the following is the most reasonable value for the median of the distribution? Refer to the histogram below. It is a frequency histogram of Religiosity among 226 randomly selected college...

Doriarg
Answered: Apr 26, 2024

53

The median is the middle data. There are 226 data, therefore the middle data is 226/2=113th and 114th. By reading the frequency we can see that the 113th and the 114th data are in the...Read More

1 Answer

280 views

How to calculate the standard deviation of the numbers?

Anika Nicole, Wordsmith
Answered: Jan 27, 2020

Standard Deviation is calculated in a few steps as mentioned below: Step 1: Calculate the mean of given numbers Step 2: Subtract the mean with each number and calculate the square of it....Read More

1 Answer

274 views

What would the median be for the scores, 7, 5, 4, 6, 7, 8?

Lil.mibi
Answered: Feb 07, 2017

The answer is 6.5 I'm pretty sure... You have to put the numbers in numerical order first, then find the middle from the list of scores there. If there is an even number of total scores, then there...Read More

2 Answers

256 views

What is the probability of A OR B if both A and B are independent events?

A. Daniels, Professor
Answered: Aug 07, 2018

Since it is specified in the question that A and B are independent of each other, the probability of event A happening is the same as the probability of event B happening. However, without more...Read More

1 Answer

254 views

What is the purpose of statistics?

J.Barbara
Answered: Feb 16, 2018

Statistics is defined as the practice or the science of collecting and analyzing numerical data in large quantities. This is especially useful in inferring proportions of a whole from a...Read More

2 Answers

249 views

What is the difference between AMC and TER?

Samantha Stewart, Philanthropist
Answered: Oct 14, 2020

TER or Total Expense Ratio is a type of measurement that shows the operating cost of a fund, usually in the form of a percentage. At times, you might see people referring to TER as...Read More

7 Answers

96 views

What is the difference between ANCOVA and Regression?

K. Shadrach
Answered: Jun 24, 2020

ANCOVA or Analysis of Covariance is a statistical tool that depends on linear regression, which means the dependent variable must be linear to the independent variable. This statistical method is...Read More

2 Answers

74 views

What is the difference between Bar Graph and Histogram?

C.Charlotte
Answered: Feb 27, 2020

A bar graph is one of the main graphical representation techniques in statistics. It is used to display well-defined values of the qualitative information on a horizontal axis and the relative...Read More

2 Answers

64 views

What is the difference between parameter and statistic?

Bergeront Tiffney, Computer Engineer
Answered: Mar 31, 2020

Parameter and statistic both are descriptions for groups. The difference between them is the type of group that each describes. Parameters describe populations. Statistics describe samples from...Read More

1 Answer

63 views

How to calculate variance?

D. Smith, Musician
Answered: Sep 03, 2020

1. Obtain your sample data and get it written down, most preferably in tabular form. 2. The next thing to do is to get a suitable formula for your calculations that is the formula of varian...Read More

1 Answer

56 views

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