**1. Mark true or false the following statement.**

the mean and median refer to the same concept.

**2. Which of the following options are measures of central tendency?**

I.Standard deviation

II. Mean

III. Variance

IV. Mode

**3.**

According to the information presented in the histogram, what is the mean of the sample?

**4. In a statistical analysis, the assimilation of a vitamin is demonstrated in the following pie chart:**

If the analysis was carried out on 30 people, what is the median of the sample?

**5. A statistical analysis was conducted on 60 students. They were asked about their current pets. The information is presented in the following pie chart:**

According to the information presented in the pie chart, what is the mode of the sample?

**6.**

If information is shown in a pie chart, what is the degree corresponding to the “Black” class?

The mean is the result of adding up the total data over the amount of the sample; while the median is the data in the middle.

The mean is the result of adding up the total data over the amount of the sample; while the median is the data in the middle.

The total sum of data (84) is divided into the number of students (30).

The amount of data is calculated, and this amount is averaged with data 15 and 16, which are the two items in the middle of the sample.

Percentages can be compared and we can choose the largest percentage or determine the frequency of each class.

It is necessary to determine the total data and establish a proportion between 360° with the absolute frequency.