In the concept of Inter quartile range (IQR), it divides the whole data set into ---- parts. Select one: a. 3 b. 4 С. 1 • d. 2

Q: What is a frequency distribution of qualitative data and why is it useful?

A: Frequency distribution: Sometimes an event will be occurred two or more times, the number of…

Q: Two groups of students reported mean weights of 162 kgs and 148 kgs respectively. When would the…

A:

Q: Why does the interquartile range Not Sensitive to Extreme Scores?

A: Quartiles: Three Quartiles, The first quartile separates the lowest 25% of the observations from…

Q: Construct a sample with at least two different values in the set of five measurements who’s mean is…

A: According to the provided information, the mean should be 3 of five observations.

Q: According to statistics reported on CNbC, a surprising number of motor vehicles are notcovered by…

A: Solution: a. Let X be the number of vehicles were not covered by insurance and n be the sample…

Q: Identify the type of table that is used to group bivariate data.

A: In this case, we need to identify the type of table that is used to group bivariate data.-

Q: Consider the data: 85, 40, 110, 122, 90, 146, 113, 63, 131, 92, 78Find the first, second and third…

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Q: Could two samples have the same range but different means? Explain.

A: Yes, Two samples have the same range but different means.

Q: Use the same scale to construct boxplots for the ages of the best actors and best actresses from the…

A: I solve this problem using technology,

Q: In a sample of 4972 car owners, 2326 said that they would seriously consider purchasing an…

A: Given  n=4972, X=2326 Point estimate=p^

Q: Explain why the minimum and maximum observations are added to the three quartiles to describe better…

A: Quartile: Quartiles are the values which divides the data into four equal parts. First quartile:…

Q: To avoid difficulties with the Federal Trade Commission or state and local consumer protection…

A: if the bottling machine is set to produce a mean fill per bottle of 12.1 ounces , what is the…

Q: Assume that the total score (from both teams) for college football games averages u = 42 points per…

A:

Q: What formula is used to gain information about a sample mean when the variable is normally…

A: Sample size: It is the number of observations in a sample under consideration. By increasing the…

Q: Define the term linear interpolation?

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Q: Draw a plot that has five-number summary of 5,6,7,9,12 and an inter-quartile range of 3

A: Given data, 5,6,7,9,12 Minimum value = 5 Maximum value = 12

Q: The data value which appears the largest number of times in the data set is called mean Oa. Ob.…

A: To find The data value which appears the largest number of times in the data set.

Q: The distribution of heights of adult Filipino is approximately normal with a mean of 69 inches and…

A:

Q: Calculate the coefficient of variation for each data set. Which data set has less consistency (or…

A: The coefficient of variation is defined as CV = (SD/mean )×100

Q: A number resulting from the manipulation of raw data according to certain specified procedures is…

A: Parameter:Any statistical measure based on all units in the population or computable characteristic…

Q: Calculate the best width of a class interval for a large group of data that ranges from a low score…

A: Given information- Low score = -15 High score = +29 We have to find the best width of a class…

Q: What is the Differences Between Predicted and Observed Values

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Q: Addmissions officer sampled 124 entering freshmen and found that 35 of them scored less than 530 on…

A: According to the provided information, x=35 n=124

Q: The clerks of the traffic courts at three neighboring towns keep track of the number ot miles by…

A: 8.   From the given information,   Town Mean mph Over Limit Standard Deviation Over Limit…

Q: In which class does the quartile 1 located?

A: Solution-: We have given the following table: Class No. Class Intervals Class Boundaries Lower…

Q: Make a conclusion based on the histogram (attached below)

A: We need to make interpretation based on given Histogram

Q: A mean is known as a statistic if it is computed from the: Opopulation. parameter. sample.

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Q: Which student has larger Inter Quartile Range (IQR)?

A: IQR= Q3-Q1

Q: Consider the heights of the BTS members given below: 174 cm, 174 cm, 177 cm, 179 cm,…

A: Given Total bts member is 7 n=7 174,174,177,179,179,179,181

Q: ) 32 randomly picked people were asked if they rented or owned their own home, 8 said they rented.…

A: Given that, n=32 x=8 Point estimate (p)=?

Q: Researchers wished to know if they could conclude that two populations of infants differ with…

A:

Q: The test scores for a class of 203 students are computed. What is the location of the test score…

A: Third quartile is above 75% of the observations.

Q: What measure of central tendency is calculated by adding all the values and dividing the

A: Common measures of central tendency are 1)Mean  2)Medin 3) mode

Q: The statistical procedure that calculates a linear relationship between two interval/ratio variables…

A: Correlation Coefficient:- It is a statistical method by which we can determine the degree of…

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: The sampling distribution of sample proportion is generated using the sample proportions of repeated…

Q: A survey of 2322 adults in a certain large country aged 18 and older conducted by a reputable…

A: Solution: Let X be the number of adults in the country aged 18 and older who have donated blood in…

Q: What is the probable error of the mean of the measurements having different values based on the…

A: Given data is: observations Distance (x) No. of measurements (f) 1 378.85 2 2 379.54 1 3…

Q: A recent study showed that the cost of buying a typical shopping basket of 40 food items for…

A: Given data is 8100,6600,6150,5100,4900Arrange the data in ascending…

Q: The PRC board examination has a mean score of 500 points. A review center promises to improve scores…

A:

Q: What does level of significance indicates?

A:

Q: UNGOS NATIONAL HIGH SCHOOL – Lubayat Extension has an average number of students per section of 32,…

A: Given  Population Mean = 32 Sample values = 28 and 34 Sample Mean = 31

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: If 10 men in a company have an average annual salary of GH¢360,000 and 23 women have an average…

A: The mean is the sum of a collection of numbers divided by the count of numbers in the collection. 10…

Q: What is the formula for the mean absolute deviation formula for paired data sets?

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Q: In cluster sampling, a population is divided into groups then (some) members of some randomly chosen…

A: Definition  Nominal data: Nominal data measure qualitative data and it is the name of variable.…

Q: Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most…

A: Explanation:In this case, the year in which a U.S. president was inaugurated, is a characteristic of…

Q: If the average of the data set given below as a missing ('*') value is 7.5, calculate the Q1 (lower…

A: The mean is calculated as follows: Mean=∑xn    7.5=5+2+11+*+8+9+12+98     60=56+*       *=60-56…

Q: Create an example of 2 data sets with the same range and the same number of values that have…

A:

Q: Assume that blood pressure readings are normally distributed with μ= 124 and σ= 9. A researcher…

A: Given that  Blood pressure readings are normally distributed with Mean (μ) = 124 Standard deviation…

Q: A type of numerical data with countable elements is nominal data O

A: In statistics, various types of variables are studied. There are two types of variables that are…