Why are unequal class intervals sometimes used in a frequency distribution? For the sake of variety in presenting the data. To avoid the need for midpoints. To make the class frequencies smaller. To avoid a large number of classes with very small frequencies.

Q: In a frequency distribution the coefficient of skewness based upon the quartile is 0.6. If the sum…

A: Skewness is used to measure the shape of the distribution. There are three types of skewness, they…

Q: In a frequency distribution, the co-efficient of skewness based upon the quartiles in 0.6. If the…

A: Answer: From the given data,

Q: Among fatal plane crashes that occurred during the past 50 years, 490 were due to pilot error, 77…

A:

Q: To illustrate the importance of outliers, suppose you do not count the owner in the last problem.…

A: The mean and standard deviation can easily be calculated by applying their respective formulas as…

Q: The area of the rectangle depicting a uniform distribution is always equal to the mean of the…

A: The area of rectangle depicting a uniform distribution is not always mean of the distribution.

Q: . Compare the median and the mean and sta about the distribution. Comment on how th tion relates to…

A: CI Freq 300-307 10 307-314 15 314-321 41 321-328 84 328-335 86 335-342 43 342-349 18…

Q: The number of passengers on a certain regular weekday bus was counted on each of 60 occasions. For…

A: Given : Data :                   15 6 13 8 9 12 8 11 5 12 7 11 7 11 10 10 7 9 14 10 6 7 9…

Q: Determine whether each statement is true or false. If the statement is false, explain why. 1. In the…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: (a) Use class intervals of $0 to <$3, $3 to <$6, $6 to <$9, etc., to create a relative frequency…

A:

Q: What is the median for the population of scores presented in the frequency distribution table below?

A: Rearranging the data in ascending order and adding the cumulative frequency. x f cumulative…

Q: In a frequency distribution, the co-efficient of skewness based on quartiles is 0.5. If the sum of…

A: In a frequency distribution, the co-efficient of skewness based on quartiles is 0.5. If the sum of…

Q: Make a frequency distribution of the following scores from a mathematics test. (Use the General…

A: Obtain the value of the mean score.   The Frequency table is obtained below as follows:   From the…

Q: Can a variable that is measured at the ordinal level be grouped into a small number of intervals in…

A: Introduction:A grouped frequency distribution can be constructed from a raw data, by finding the…

Q: Using the 2* rule, determine the number of class intervals(k) for the frequency distribution…

A: Given

Q: 2.) In which interval does the median of this data distribution occur? Heig hts of Black Cherry…

A: From the histogram, the frequency distribution table with cumulative frequency is- Interval…

Q: The is the difference between consecutive lower class limits. The is the difference between…

A: answer: class width

Q: Among fatal plane crashes that occurred during the past 50 years, 137 were due to pilot error, 91…

A: The frequency is the most repeated value. If the total number of individual observations are…

Q: For a relative frequency distribution, relative frequency is computed as the class frequency divided…

A: we have to find correct answer for given question..

Q: Can a frequency distribution have overlapping classes? No Sometimes Can't determine. I need more…

A: In this case, we need to find the correct answer for the given statement.

Q: The median class of a certain distribution is at 55 - 59 with a cumulative frequency of 24. If the…

A:

Q: Among fatal plane crashes that occurred during the past 65 years, 226 were due to pilot error, 88…

A: Frequency distribution Frequency distribution is a table that shows the list of numbers given in the…

Q: A. Construct frequency distribution table using data above. Tally Frequenc Class Relative Mark…

A: The 70 observations are given. We have to make class intervals for the given set of data and prepare…

Q: Explain the meaning of the specified term. Distribution of a variable

A: Distribution: In general, the distribution of the data set gives the values of the observation and…

Q: 14. Is a way of summarizing data by showing the number of observations that belong in the different…

A: Given that  Is a way of summarizing data by showing the number of observations that belong in the…

Q: Among fatal plane crashes that occurred during the past 70 years, 698 were due to pilot error, 93…

A: The relative frequency is obtained by dividing each frequency by the total frequency. The percentage…

Q: Your grandma wants to review the distribution of the ages of her Facebook friends. The ages of a…

A: We have to construct a frequency, relative frequency and cumulative relative frequency distribution…

Q: Find the class intervals if the arithmetic mean of the following distribution is 33 and assumed mean…

A:

Q: How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska?…

A: Important Keys :  Frequency The number of times a certain value or class of values occurs.…

Q: Find the class intervals if the arithmetic mean of the following distribution is 33 and assumed mean…

A:

Q: Often, frequency distributions are reported using unequal class widths because temperature the…

A:

Q: Due to rounding, the total of the relative frequencies for the relative frequency distribution…

A: Solution-: Due to rounding the total of the relative frequencies for relative frequency distribution…

Q: What is the class width of the following class intervals taken from a frequency distribution? 11 –…

A: It just subtraction of numbers.

Q: In a frequency distribution , the mid value of a class is 10 and the width of the class is 6 . Find…

A:

Q: Why shouldn't classes overlap when summarizing continuous data in a frequency or relative frequency…

A: Frequency distribution

Q: refers to the flatness or peakedness of a frequency distribution.

A: Here use basic definitions of all given options and identify correct option

Q: Can a frequency distribution have overlapping classes? Yes No Can't determine. I need more…

A: Grouped data:  The data which can be arranged  in the form of table is called grouped data.

Q: Given the table below Distribution A 1-3 4 6 7-9 The midpoint of the class intervals of distr

A:

Q: Among fatal plane crashes that occurred during the past 55 years, 553 were due to pilot error, 79…

A: The number of values corresponding to a class or observation is defined as the frequency of that…

Q: The first step in finding the interquartile range involves calculating the ____ of the data set. a.…

A: Solution-: The first step in finding the interquartile range involves calculating the ____ of the…

Q: Based on this graph what is the approximate distribution of data?  X~___(___,___)

A: From the data given,we try to create the histogram of the data.

Q: Convinced about the importance of data processing through of statistics, Matheus, a production…

A: Given information: Arrange the given data in ascending order: 45, 45, 46, 47, 49, 49, 49, 49, 50,…

Q: The following class intervals for a frequency distribution were developed to provide information…

A:

Q: How is a frequency distribution chart incorrectly constructed?

A: Here let us understand how do we construct a freuency distribution and then we look into rules of…

Q: Among fatal plane crashes that occurred during the past 50 years, 481 were due to pilot error, 99…

A: The number of values corresponding to a class or observation is defined as the frequency of that…