Tell each of the following situations whether it requires descriptive or inferential statistics. 5. The problem solving abilities of students in the different skills were interpreted by classifying their average scores as Excellent, Very Good, Good, Fair and Poor.

Q: A group of school parents are asked how many children they have. Number of children Frequency 1 25 2…

A:

Q: If frequency of an item x is given as 6, and total number of items in the collected data is 48; then…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Janice and Paul did a study on feelings of stress and life satisfaction. Participants completed a…

A: The scatter diagram is nothing but the axial representation of bivariate data. The correlation…

Q: here are the 2 questions that needs to be answered, these two questions can be answered by looking…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: For the data set: 1 2, 3, 4, 5 the average or mean is 3, but the sum of the square of the deviations…

A: Given the mean=3

Q: Consider that a data set of 10 data points has a mean of 5. If every data point was doubled in the…

A: Given that No.of data points in a data set=10 Mean of 10 data points=5 Every data point was doubled…

Q: Below are the number of hours students studied for a Statistics exam. To construct a boxplot, what…

A:

Q: A supervisor is asked to score two groups of employees on how difficult he thinks their job is to…

A: Given   job difficulty 1 job difficulty 2 3 11 9 10 10 17 2 15 13 15 2 4 7 16

Q: The cost (in dollars) for a sample of 7 products were obtained for two stores as shown in the table…

A: Product Product cost in Store 1 Product cost in Store 2 1 23 25 2 45 47 3…

Q: What is the mean of the following data set shown in the dot plot: 10 0. O a) 7.6 O b) 9.5 O) 8.5 d)…

A: Given,  The dot plot of the data set.  We have to find the mean of the data set.

Q: For the data : 9 2 10 33 62 the mean is the best measure of central tendency to describe the data. O…

A: The data is 9, 2, 10, 33, 1, 62.

Q: Two different histograms are made to display the grades of a class on a test. How can scaling…

A: We can answer is precisely as below to explain the scaling influence.

Q: The larger the interquartile range is in a data set, the more variable the data set is. O True O…

A: We have given that statement: The large the Interquartile range is in a data set, the more variable…

Q: If the mean is 20 for the data: 16. 10. 7. 20. у. 25 find the median O 16 O 42 O 18 O 20

A:

Q: For which of the following sets of data should a stacked bar chart be used?

A: *Answer:

Q: Referring back to Table 1, write one sentence that encapsulates the major finding of the data that…

A: Coefficient of determination, r2:  The coefficient of determination (r2) is defined as the…

Q: Give the cases and the variables in each situation below, and identify each variable as categorical…

A: It is needed to find the categorical and quantitative variable.

Q: Daria asked her classmates how many brothers and sisters they had. Which of the following statements…

A: From the histogram, we got some result e.g most of the classmates have 1 sibilling

Q: 15. If the first two observations were removed, what will happen to the value of the median ? * C.…

A:

Q: For the given data, which of the following are the correct values of SS-between, SS-within, and…

A: Solution:

Q: For question #4, write your answer exactly as it appears. 4) It has been known that 18% of victims…

A:

Q: Given a data set consisting of 33 unique whole number observations, its five-number summary is:…

A: For a considered data set, the five-number summary essentially explains the descriptive statistics…

Q: The boxplots summarize two data sets, 1 and 2. Which of the following must be true?

A: Box Plot: Boxplot shows the spread of data. Boxplot is a graphical representation it is given by…

Q: For the given data, which of the following are the correct values of SS-between, SS-within, and…

A: The given values are ∑X2=2469,SS1=4.67,SS2=8.67,SS3=0.67.

Q: Tell each of the following situations whether it requires descriptive or inferential statistics. 1.…

A: Introduction: Descriptive Statistics: It shows more information of raw data. Inferential Statistics:…

Q: For two data sets, X and Y, if the CVx > CVy then

A: Coefficient  of variation CV is used for comparing the variability of two datasets.

Q: Discuss with the aid of sketch the intimate relationship between Statistics and Research. Concise as…

A: Statistics is the branch of applied mathematics. It deals with the collection, analysis,…

Q: Find the best line through each set of data points, and find the RMSE: ) (b) (1,2), (3, 2), (4, 1),…

A:

Q: The boxplots above summarize two data sets, A and B. Which of the following must be true? I, Set B…

A: The boxplot contains five -number summary.  They are: Minimum First quartile(Q1)  Median(Q2) Third…

Q: 1. If we add the same constant c to each item in a set of data, what do you think will happen to the…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Suppose you have the following stem-and-leaf display: 1 |1 3 2 1 2 8 35 4 4 Stem: Tens Leaf: Ones…

A: Stem and leaf display is given.Stem: TensLeaf: Ones

Q: ighly skewe

A: Effects of skewed data: Degrades the model’s ability (especially regression based models) to…

Q: A relationship expert wants to know if people with higher levels of emotional intelligence (measured…

A:

Q: For the given data set: X y -4 -3 -2 -1 9 4 1 0 0 1 1 4 2 9

A: Given the data X Y -4 9 -3 4 -2 1 -1 0 0 1 1 4 2 9

Q: Use this information to answer the following problems: The following statistics describe two…

A: The regression line was used to make analysis of over a period of time. It is generally used to…

Q: Felipe and John each graduated from college last year and got entry-level positions. Felipe got an…

A: For Felipe, X=59416 MEan=63000 standard deviation=2200   For John, X=78633 Mean=71000 Standard…

Q: It is usually a very hard procedure to determine which graph matches the data set. O True O False

A: False.

Q: If too large a scale is used on a graph, it can be misleading when trying to interpret the data. O…

A: True.

Q: classify each variable as categorical, discrete or continuous.

A:

Q: A frequency table about degrees of 40 CEOs was given: Degree Frequency Bachelors 8 Laws 4 Masters…

A: given that frequency table about degrees of 40 CEOs was given: Degree Frequency Bachelors 8…

Q: Which of the following could be the median of the waiting times, in minutes? O 17.25 O 15.00 O 12.25…

A: Given: The histogram below displays the frequencies of waiting times, in minutes, for 175 patients…

Q: Regarding the context regarding the coronavirus pandemic, see the table below, which refers to 5…

A: a) Absolute frequency of second grade that is 50-60 is 3.   b) Relative freq. = freq. of that…

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

A: a)The percent of individuals with each of the following natural eye colors: brown, blue, green,…

Q: 1. Answer what is asked for in the following problems: a. A set of data has 50 observations. How…

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three…

Q: If the following seven scores are ranked from smallest to largest, then what rank should be assigned…

A: Rank in Statistics: When data is ordered, numeric or ordinal values are replaced by their rank,…

Q: If you recieved the data set {9, 16, 10, 20, X} and you knew the median was 15, what could you say…

A:

Q: d. If the data is annual salary in the U.S and the population is all legally employed people in the…

A: Correct answer is Negative

Q: If frequency of an item x is given as 6, and total number of items in the collected data is 37; then…

A: For relative frequency divide frequency to the no of collective data

Q: Tell each of the following situations whether it requires descriptive or inferential statistics. 3.…

A: Introduction :  Descriptive Statistics: It shows more description or provides information of raw…