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A teacher divides a class's test scores into ten equal groups to analyze performance. What statistical measure are these groupings called?

Which measure of position is mathematically equivalent to the upper quartile of a dataset?

A data analyst needs to divide a dataset into one hundred equal parts for detailed analysis. Which measure of position should they use?

A researcher calculates the difference between the third quartile (Q3) and the first quartile (Q1) of a dataset. What statistical measure has the researcher calculated?

Which percentile is equivalent to the 5th decile in a data distribution?

Given the dataset: 13, 14, 15, 16, 17, 18, 19. Before determining any measures of position which step is most crucial?

A student, placed in the top 10% of their class, wants to determine the percentage of students who performed below them. What percentage represents the students below this student's rank?

Which of the following values represents the score point that divides a distribution into four equal parts?

In a given dataset, what percentage of the distribution is higher than the first quartile (Q1)?

Which of the following is the most accurate description of measures of position for ungrouped data?

What is the primary purpose of calculating quartiles in a dataset?

Which of the following does NOT belong to the same group as the others?

A student scores in the 80th percentile on a standardized test. Which of the following interpretations is most accurate?

If a data point lies at the 75th percentile, what does this indicate?

Which of the following statements accurately describes the relationship between quartiles and percentiles?

A dataset of test scores is as follows: 2, 4, 5, 5, 6, 7, 8, 8, 9, 10, 11. What is the median of this dataset?

Given the dataset: 5, 10, 15, 20, 25, 30, 35, 40. What is the value of the median?

For the dataset: 1, 2, 3, 4, 5, 5, 6, 7, 8, 8, 9, what are the modes?

Calculate the mean of the following data set: 1, 2, 3, 4, 5, 5, 6, 7, 8, 8, 9

In a set of test scores, the 90th percentile is 85. What does this imply?

In a distribution of scores, the third quartile (Q3) is 80. What does this indicate about a score of 80?

Consider a dataset of 20 values. Approximately how many values are greater than the value at the first quartile (Q1)?

How are measures of position like quartiles and percentiles most effectively used in data analysis?

What does the interquartile range (IQR) represent in a dataset?

In a dataset of 20 elements, what is the position of the third quartile ($Q_3$)?

If the first quartile ($Q_1$) of a dataset is 70 and the third quartile ($Q_3$) is 95, what is the interquartile range (IQR)?

In a sorted dataset, if the position of the second quartile ($Q_2$) is calculated to be 8.5, how is $Q_2$ determined?

The grades of 12 students are arranged in ascending order. The position of $Q_1$ is determined to be 3.25. Which elements are used for interpolation?

What percentage of data points in a dataset are less than or equal to the third quartile ($Q_3$)?

If a dataset has an interquartile range (IQR) of 15, what can you infer about the spread of the middle 50% of the data?

Why is interpolation used when determining the value of a quartile?

In a dataset of student grades, the interquartile range (IQR) is small. What does this indicate about the grades?

Given the data set: 79, 81, 82, 83, 85, 85, 89, 90, 90, 94, 95, 97. Which of the following is the interquartile range?

Based on the COVID-19 data, which statement accurately compares the number of new cases between two regions?

If the regions were ranked by new COVID-19 cases, what region would fall closest to the first quartile (25th percentile)?

Which group of regions reported new COVID-19 cases below the first quartile?

Based on the data, which region's new COVID-19 cases are closest to the 75th percentile?

To which decile does the Davao Region belong, based on the new COVID-19 cases?

Which region or regions belong to the upper 10% in terms of the number of new COVID-19 cases?

Approximately how many new COVID-19 cases belong to the 30th percentile and below, considering the regional data?

Which regions have new COVID-19 case numbers that are greater than or equal to the 60th percentile?

Given the dataset: 40, 37, 40, 41, 40, 35, 32, 26, 37, 40, 35, 38, 38, 37, 35, 38, what is the first quartile (Q1)?

For the dataset: 40, 37, 40, 41, 40, 35, 32, 26, 37, 40, 35, 38, 38, 37, 35, 38, what is the 75th percentile?

Given the dataset: 40, 37, 40, 41, 40, 35, 32, 26, 37, 40, 35, 38, 38, 37, 35, 38, what is the interquartile range (IQR)?

What is the 6th decile of the following data set: 40, 37, 40, 41, 40, 35, 32, 26, 37, 40, 35, 38, 38, 37, 35, 38?

A student collects weight data (in kilograms) from 15 classmates. After arranging the data from lowest to highest, they need to find the values for $Q_1$ and $Q_3$. Which of the following describes the correct procedure?

A researcher is analyzing the number of Facebook friends of 15 students. After ordering the data, they want to determine the values for $D_5$ and $P_{50}$. Which statement is correct?

In a survey, a student gathers height data in centimeters from 15 classmates and calculates various measures of position. If there's an error in the data collection process leading to one extremely high value (outlier), which measure would be LEAST affected?

A teacher divided students into groups to collect data (weight in kilograms), and then use the rubrics provided (Outstanding, Satisfactory, Developing, Beginning) to assess their work . A group's data is complete and accurately arranged, but their computations of measures of position contain some errors. According to the rubrics, which criteria level best describes this group's work?