Which of the following is a second-hand data?

What is the set of all data under a study?

Which of the following is a qualitative data?

Select the graphs that uses circles to measure frequency

It is the most popular value of a data set.

It is the square root of the variance.

The following are measures of variability, EXCEPT

The likelihood of the occurrence of an event is called its _.

A _ is a set of objects in which position or order of elements is significant.

Which of the following symbols is used to denote intersection of two or more events?

Which of the following quartiles is also known as the median value of any given set of data?

It is a measure of position which divides the given set of data into one hundred equal parts.

It is a function that associates a numerical value to every outcome of a random experiment; denoted by a capital letter, usually 𝑋.

Which of the following is discrete variable?

a graph that represents the probability density function of a normal probability distribution. It is also called a Gaussian curve named after the mathematician, Carl Friedrich Gauss

The Marketing Department of a certain university is doing a satisfaction survey. To do this, the staff takes an alphabetized list of student names and picks a random starting point. Then every 15th student is given a survey form. Determine what random sampling technique is employed.

Which among the choices is a correct alternative hypothesis (in symbols)?

Which among the choices refers to the type of error you commit when you reject the null hypothesis even if it is true?

Which among the choices is the test in which the alternative hypothesis uses comparatives such as less than, smaller than, inferior to, lower than, below, decreased, etc.?

It is the diagram can be used to determine whether a linear (straight line) correlation exists between two variables.

Also refers as Indirect Relationship whereas x increases, y tends to decrease. The value of r is close to -1 or r = -1.

“Eating breakfast in the morning increases the ability to learn in school. “ the underlined statement is what kind of variable?

It is used to evaluate the relationship of dependent and independent variables in the equation. its goal is for prediction or forecasting.

What is the median of these values?

44, 99, 66, 55, 77, and 88.

Ten judges score Ben’s performance. What is the average of his scores if the judges’ scores are 6, 9, 7, 5, 4, 8, 9, 10, 7, and 5?

Find the range of the data set below.

44, 67, 31, 85, 72, 86

How many elements does the sample space for rolling a die have?

Clocks come in two types: wall or desk. They come in five colors: red, yellow, green, blue and white. How many possible choices are there?

What is the probability of getting a 7 when rolling a regular die?

If randomly choosing a month of the year, what is the probability that the chosen month will have 31 days in it?

An English book, a Mathematics book, and a Physics book are to be arranged on a shelf. In how many different ways can these books be arranged?

How many words can be formed using all the letters of the word MATHEMATICS?

Evaluate 11P2.

Seven people are going to sit at a round table. In how many different ways can this be done?

Calculate 5C4×10C3.

Events A and B are defined by the sets {1, 2, 3, 4} and {3, 4, 5, 6}, respectively. What is the union of the two events?

Consider the set of data below. Which value corresponds to Q2?

3,17,9,12,20,16,14,16,22,24,18,25

Consider the random experiment of rolling a pair of tetrahedron dice (whose number of dots are 1 to 4). If 𝑋 denotes the sum of the numbers in the two dice, what are the possible values of 𝑋?

What is the area of the scores in a normally distributed data that is within one standard deviation above the mean?

𝑋 is a normally distributed variable with a mean of 12 and a standard deviation of 2, What is the 𝑍 value that corresponds to the score 𝑋 = 16?

He was a pioneer in the development of statistical methods and a key figure in the early history of modern statistics. He is known for his work in correlation and the development of the chi-squared test.

He was a prominent statistician known for his work on hypothesis testing and experimental design. He laid the foundation for modern frequentist statistical theory.

He is considered one of the founding figures of modern statistics. His work on statistical theory, experimental design, and the analysis of variance had a profound impact on the field.

He made significant contributions to statistics, particularly in the fields of regression analysis and the development of the concept of correlation.