Suppose that 150 values in a data set are normally distributed. Match the following questions with their answers:

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: very observation in a data set is multiplied by a constant k. What best describes the effect on…

A: Given : Every observation in a data set is multiplied by a constant k Let the observations be :…

Q: The top schools HCC students transfer to are below from highest to lowest.  This type of data is…

A: We have given the following statement

Q: Use the following data to answer the problem below. Subject Ms Chemistry 70 12 Math 28 7 Betty…

A: From the provided information, Subject M s Chemistry 70 12 Math 28 7

Q: The following data are the monthly salaries and the grade point averages for students who obtained a…

A: Data  Let X monthly salary and Y be the grade point average X=2.6,3.4,3.6,3.2,3.5,2.9…

Q: Two different surveys will be conducted to estimate the mean salary of employees who have taken a…

A: The confidence interval inversely depends on the sample size. The formula for the confidence…

Q: For each of the hypothetical data sets, determine whether a bar graph or a pie chart would be an…

A: In general, the most common charts used for visualizing the data are bar charts and pie charts.

Q: A set of data has a mean of 16,  a median of 15 and a mode of 14. which of these numbers must be…

A: From the information, the mean is 16, median is 15 and mode is 14.

Q: Determine whether r is positive, negative, or zero for each of the following data sets. Ⓡ Ⓡ 00 (a)…

A: Concept: Correlation measures degree of linear relationship between two variables.

Q: The number of students in a classroom would be considered which type of data.

A: It is needed to find the type of data for the number of students in a classroom.

Q: What is the value of SP for the following set of data? X         Y 2          1 4          2 9…

A: X       Y       X Y 2 1 2 4 2 8 9 8 72 ∑x=15 ∑Y=11 ∑XY=82

Q: b. Develop an estimated regression equation that can be used to predict annual sales given the years…

A: From the given information we find the regression equation and predict the value for salesperson 9.

Q: Which of the following is the correct option for the following statement? The data set can have more…

A: From the given information we want to Know give statement is.

Q: A data set contains 6 observations. If x¯ = 83.3 for the data set, what is ∑xi?   ∑xi =

A: Given: A data set contains 6 observations. If x¯ = 83.3 for the data set, we have to find the value…

Q: For a set of 250 measurements the mean is 110 and the variance is 144, how many of these…

A: Mean = μ = 110 Variance σ2 = 144Standard deviation = σ = σ = 12

Q: Suppose a data set is strongly skewed to the left. Which statement is true? The mean will be larger…

A: It is given that the data set is strongly skewed to the left.

Q: Compute the coefficient of variation CVar .

A: Given that,  2(red), 4(black), 8(blue), 6(green), 10(orange), 12(black).

Q: 3. The following are randomly selected scores in a Grade 8 Math test. Find the mean score of the…

A: Given49,48,40,42,50,38,40,41,36,48,39,35,40,42,39,36,40,48,38,39sample size(n)=20

Q: The mean number of sick days an employee takes per year is believed to be about 10. Members of a…

A: Given Observation and calculation Sample size (n) = 8 Mean x̅ = 8.625 95% Confidence interval is…

Q: Residents in a city are charged for water usage every three months. The water bill is computed from…

A: INTRODUCTION :   HISTOGRAM: The Histogram is often useful to represent a frequency distribution…

Q: Q5. Explain the importance of statistics in the field of drug development and the pharmaceutical…

A: Statistics is a significant apparatus in pharmacological examination that is utilized to sum up…

Q: The colour of a car would be considered which type of data

A: There are two types of data: Quantitative and Qualitative. Quantitative data consists of numerical…

Q: For an article in a magazine, 20 different vehicles were selected to obtain data for comparison.…

A: The data is collected from 20 vehicles regarding the price, the fuel economy, the number of doors,…

Q: Imagine that the following four sentences are questions on a survey.  Which question would produce…

A: A. How many years have you participated in track-and-field.

Q: A study was conducted at a local college to analyze the average cumulative GPA’s of students who…

A: Let us first know about the meaning of the given words: Population is a complete set whereas sample…

Q: This question utilizes the BookPrices data set found in the resampledata package. This data set…

A: The data to be used in R is BookPricesThe sample data obtained from R is as followsIt is required to…

Q: I need help finding unusual values from a data set.

A: Here we find that unusual values from a data set.

Q: Name all of the following data sets that you would expect to be skewed. I. waiting times at the bank…

A: Skewness means, not normal. If the data is normally distributed then we get a bell-shaped curve. If…

Q: variables and data. In your own words, explain and describe them with appropriat

A: Variables: The value of the data is modified and the name does not change and is called a variable.…

Q: f someone scored a 17 when the mean is 19 with a SD of 5, what would their score be if the mean were…

A: given data if some one scored 17   x1=17μ1=19σ1=5 we have to find the score =X2 be if the mean =μ2…

Q: If the mean of a data set is 22 and the SD is 5, what % of the values fall between 12 and 27? Give a…

A: given that  mean of a data set is 22

Q: Mai collects information about 37 classmates. She believes her data set is perfectly symmetrical…

A: She then realizes that the number she has recorded as 32 was actually supposed to be 42

Q: City A standard deviation: 20.84 thousand dollars City B standard deviation: 14.71 thousand dollars…

A: It is been asked to find the data in which empirical rule can be used, percent of income between…

Q: You saw back in Chapter 2 that the mean, median, mode, and midrange are used to indicate where data…

A: Given data: Set A: 50, 50, 50, 50, 50, 50, 50, 50, 50, 500 Set B: 20, 25, 30, 35, 40, 45, 100, 100,…

Q: The ages (in years)and heights (in inches) of all pitchers for a baseball team are listed. Find the…

A: We have given that  Sample size n= 12  Coefficients of variation = s/xbar

Q: In a typical set of numerical data, what fraction of the data values lie above Q3?

A: Answer: From the given data, In a typical set of numerical data, Q3 is also known as 75th percentile