Statistics Exam Answers Tutorial

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Introduction to statistics exam answers tutorial:

Statistics is winning theme that can be used to make use of numerical data related to any research. Statistical is a technique used to achieve, learning, and summary, evaluate and present the numerical data or statistics. We will learn the statistics with help of tutorial. In this article we will solve the statistics example problems and get the answers with help of tutorial. Tutorial is nothing but teaching the particular subject to the students.

Mean and Median for statistics exam answers tutorial:

Now we are going to solve the problems in statistics and get the answers with help of tutorial.

Mean in Statistics:

In statistics, the mean is defined as average of the group of values.

Compute the mean for following values.

The values are 44,55,98,62.

Solution:

The given data are,

44,55,98,62.

Formula for mean =`("Sum of the given values")/("Total number of values")`

= 44 + 55 + 98 + 62.

= 259.

Here we give 4 values. Divide by 4 .

= `259/4`

= 64.75.

Answer: ...
... 64.75.

Median in statistics:

In statistics, the median is defined as middle value of the given data.

If we need to find the median value, we should sort the given values in ascending order.

Example of Median:

Find the median value in the following values.

12, 35,99,65,47.

Solution:

Step 1:

The given data are 12, 35,99,65,47.

Step 2:

We should arrange the given values in ascending orders.

12, 35,47,65,99.

In this sorting order we have a middle value.

Answer = 47.

Mode and Range for statistics exam answers tutorial:

Mode in statistics:

In statistics, the mode is defined as, the repeated value in the given data.

Example:

The given data are 11, 32, 5.5, 56, 5.5.

In this given values we have a repeated value.

Here 5.5 are occurred two times.

Mode = 5.5.

Range in Statistics:

In statistics, the range is defined as various between large value and small value.

Example:

Find the range for following values 7.5, 3.6, 12.5, 10.2.

Here, large value is 12.5.

Small value is 3.6.

We have a formula for range.

Range = Largest value - small value.

Range = 12.5 - 3.6.

Range = 8.9.

Exam problems with Answers:

Let us we will solve the exam problems with answers with help of tutorial.

Exam Problem 1:

Compute the mean for following values.

The values are 9,3,6,5.

Answer:

5.75.

Exam Problem 2:

Compute the median for following values.

The given data are 3.2, 7.8, 6.3.

Answer:

6.3.

Exam problem 3:

Compute the range for following values.

The values are 24,45,36,60.

Answer:

36.

Exam Problem 4:

Compute the mode for following values.

The values are 70, 90, 62,35,15,70.

Answer:

70.

We solve the problems in statistics and got the answers with help of tutorial.

That’s all about statistics exam answers tutorial.

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