Linet is a candidate for honor. Her grade in mathematics is in the 9th decile. What does it mean?

90% of her classmates receive a grade lower than her grade.

90% of her classmates receive a grade greater than her grade.

10% of her classmates receive a grade that is lower than her grade.

10% of her classmates receive a grade that is greater than her grade.

In a 70-item test, Melody got a score of 50 which is the third quartile. What does it mean?

She surpassed 75% of his classmates.

Her score is higher than 25 of his classmates.

Seventy-five percent of the class did not pass the test.

What can you find in the significance of the study?

who and how they will benefit from the study

who and how they will conduct the study

when and where the study will be conducted

when and where will the people benefit from the study

What should be avoided when writing the conclusion of the research?

reiterating the results of the study

interpreting the implication of the results

highlighting the main point of the findings

responding to the statement of the problem

Jem is a secretary in a toy company. His salary belongs to the 8th decile. Should Jem be glad about his salary?

Yes, because 80% of the employee receive less than or equal to Jem's salary.

No, because the salary is too small for him.

It depends on the cost of living in Jem's area and his personal financial goals.

Jem should conduct a comparative analysis with industry standards to determine if his salary is competitive.

Which interprets the median of the score distribution of 15 students?

seven students scored below, and seven students scored above 79

fourteen students scored below 79

Which of the following statements is not true about the grouped data.

The number of a specific data is generically labelled through the class frequency.

The data are arranged in either increasing or decreasing order.

The data are grouped according to classes with uniform intervals.

The number of a specific data can be easily determined in the given set.

In a 70-item test, Melody got a score of 50 which is the third quartile. How will Melody interpret this?

she surpassed 75% of her classmates.

Her score is higher than 25% of her classmates.

Seventy-five percent of the class did not pass the test.

The 1st quartile of the ages of 250 fourth year students is 16 years. Which of the following statements is true?

Seventy-five percent of the students are 16 years old and above.

Most of the students are below 16 years old.

Twenty-five percent of the students are 16 years old.

One hundred fifty students are younger than 16 years.

Which statement is not true about the median?

It is the interval of the class.

How do you get the cumulative frequencies of the tabular data?

By adding the frequencies successively from the lowest class interval score to the highest.

By dividing the frequencies successively from the lowest class interval score to the highest.

By subtracting the frequencies successively from the lowest class interval score to the highest.

By multiplying the frequencies successively from the lowest class interval score to the highest.

What is the first step in getting the 4th decile of an ungrouped data?

Write the scores in order from least to greatest.

Divide the scores into four groups.

Find the median of the given scores.

Subtract the lowest score from the highest score.

For a set of data, the 75th percentile is 80. Which is FALSE?

75 percent of the score is 80 or less.

One-fourth of the score is greater than or equal to 80

In what situation would using percentiles be more appropriate than quartiles?

When the dataset is highly skewed.

When the dataset has a clear middle value.

When comparing data from different categories.

When ranking individual data points is important.

Mischa got a score of 55, which is equivalent to a 70th percentile rank in a mathematics test. Which of the following is not true?

Her score is below the 5th decile.

She scored above 70% of her classmates.

Thirty percent of the class got scores of 55 and above.

If the passing mark is the first quartile, she passed the test.

Andrea is one of the 35 students who took the summative test in mathematics and have a score on the 80th percentile, should Andrea be glad about her score?

Andrea should be glad because there are only 20 students above her score.

Andrea should be glad because there are 80 students above her score.

Andrea should be glad because, 80 percent of the students is above her score.

Andrea should be glad because, only 20 percent of the students is above her score.

Complete the table by providing the cumulative frequency then, calculate how many percent of the scores are greater than the cumulative frequency of 38.

64 percent of the scores are greater than the cumulative frequency of 38.

36 percent of the scores are less than the cumulative frequency of 38.

64 percent of the scores are less than the cumulative frequency of 38.

36 percent of the scores are greater than the cumulative frequency of 38.

What conclusion can be made answering the problem, how many students found below 34 minutes?

There are six students who are below 34 minutes.

There are three students above the 34 minutes.

There are 66 percent of the students who are below the 34 minutes.

There are 67 percent of the students who are below the 34 minutes.

If the teacher wants to determine the average minute a student spent on working in each problem. How would you help him/her?

Solves it using a measure of central tendency to describe a set of data by identifying the central position with the set of data.

Solves it using the regression analysis because it will help to predict future outcomes.

Solves it using measure of position to determine the position of a single value in relation to other values.

Solves it using a measure of dispersion to describe the spread of the data or its variation around a central value.

If the teacher wants to determine how many student/s is/are found below 34 minutes. How would you help him/her?

Solves it using a measure of central tendency to describe a set of data by identifying the central position with the set of data.

Solves it using the regression analysis because it will help to predict future outcomes.

Solves it using measure of position to determine the position of a single value in relation to other values.

Solves it using a measure of dispersion to describe the spread of the data or its variation around a central value.

The NAT scores of 15 students of Grade 10 - Star Section are as follows: 92, 89, 81, 91, 82, 80, 87, 85, 81, 79, 79, 81, 90, 94, 80. The computed quartile are as follows 𝑄1 = 80, 𝑄2 = 82, and 𝑄3 = 90. Which of the following statement is not true?

75% of the takers scored 90 and above.

50% of the takers scored 82 and below.

25% of the students scored equal to or below 80.

Which visual representation of measures of position would be most effective in showcasing student grades in class, aiding in outlier identification, and providing insight into grade distribution?

Create a histogram or box plot incorporating quartiles, deciles, and percentiles for grade distribution. These are effective for showing the spread of data and identifying patterns in distributions.

Use quartiles, deciles, and percentiles to analyze grades in a different subject. It involves using these measures to understand grade distribution and identify outliers in a different context.

Create a pie chart to display quartiles, deciles, and percentiles for student grades.

Represent quartiles, deciles, and percentiles through text-based analysis only. It focuses on explaining these measures and their significance in analyzing student grades, outlier detection, and grade distribution through text.

What steps would you take to innovate the way statistical measures are applied in research data analysis?

by experimenting with emerging statistical techniques and tools

by avoiding any changes to current methods

by using outdated statistical software packages

by following the same procedures used in previous studies

Mastery Exam: 50-Question Practice Test (Grade 10)

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a percentile indicate in a data set?

the middle value

the spread of data

the frequency of occurrence of a value

the position of a value in relation to the rest of the data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is equal to the median score?

1st Quartile

3rd Quartile

5th Decile

75th Percentile

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What measures of central tendency occurs most frequently in a sample?

mean

median

mode

variance

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which measure of position does the dataset divide into ten equal parts?

decile

median

quartile

percentile

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What measures of positions divide a distribution into four, ten, and hundred equal parts?

decile

percentile

quantiles

quartiles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When identifying the quartile for ungrouped data, when do we use interpolation?

When the result is zero

When the result is undefined

When the result is a whole number

When the result is a decimal number

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The computed value of the first quartile is 2.5. What will be the final value?

The value is 2 after rounding up.

The value is 3 after rounding up

The value is 2 after rounding down.

The value is 3 after rounding down.

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Mastery Exam

What does a percentile indicate in a data set?

Which of the following is equal to the median score?

What measures of central tendency occurs most frequently in a sample?

In which measure of position does the dataset divide into ten equal parts?

What measures of positions divide a distribution into four, ten, and hundred equal parts?

When identifying the quartile for ungrouped data, when do we use interpolation?

The computed value of the first quartile is 2.5. What will be the final value?

Which of these formulas CAN NOT be used in getting the median score of an ungrouped set of data?

Linet is a candidate for honor. Her grade in mathematics is in the 9th decile. What does it mean?

What part of a statistical mini research summarizes the idea of the study in the fewest words possible?

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