if we had another data set made up of individuals' ages and nearly all the people were younger than 25 but a small percentage were over 50, and a few were in their 80s, how would you describe shape if the age distribution?

Q: for CEO salaries throughout the united states (not just the data set we used in class) which has a…

A: we know that distribution skewed to right means positively skewed data. In this case, the measures…

Q: A(n) ________________ is a point lying far away from other data points on a scatterplot.

A: Outlier: An observation is considered as an outlier, if it is far away from the other points or…

Q: Please help   You are given the following data, where X1X1 (final percentage in history class) and…

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

Q: The ages of the students in a statistics class are listed below. If the 18 year old student has a…

A: Given Information:  Ages: 14, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18

Q: exam is 53.48 and the mean for that same exam is 44.23.  What would be the shape of the distribution…

A: For any Normal distribution, the shape of the distribution can be said if the mean, median and mode…

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

A:

Q: Based on the histogram below, how are the data distributed, and where is the mean located in…

A: It is negatively skewed histogram.  where the tail of the distribution is longer on the left side…

Q: A middle school wanted to visualize the association between how many days a student is absent and…

A: We have given that the scatter plot of the Number of Absence and the grade. In this scatter plot,…

Q: Use the boxplot for radio station B to say whether the data are symmetric or skewed. If the data are…

A: Given the data and box plot for Radio station A and B.  We have to Use the box plot for radio…

Q: The mean of a distribution is 23, the median is 24 and the mode is 25.5. It is most likely that this…

A:

Q: Following is the data of age of 50 CEO’s of companies. Give a detailed analysis of data.

A: Given α=15   Age 61 51 63 60 63 57 60 61 57 60 63 61 58 59 56 60…

Q: The advantage to a stem-and-leaf plot over other frequency plots is that we don't lose any…

A: yes , true  this stem and leaft plot give information about grouped data and other data so this show…

Q: A data set contains only one outlier and it is deleted from the data, then will be the same. Range O

A: Provided information is,  A data set contains only one outlier, and that outlier is deleted from…

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

A:

Q: Find median of data Class       5-9,10-14,15-19,20-24,25-29 Frequncy   4         6        8…

A:

Q: State one disadvantage of displaying data in groups?

A: Statisticians or researchers collect, display and analyze the data for their purposes. After…

Q: For each student in a study, demographic data are collected, including age, gender, and…

A: For each student in a study, we are collecting the demographic data including age, gender, and…

Q: In a study, you ask the subjects their age in years. Is this data qualitative or quantitative?

A: Qualitative data:Qualitative variable categories each individual to corresponding groups. It is used…

Q: Below are diagrams of three different species distribution patterns, random, clustered, and uniform.…

A: Solution It is given as

Q: data set of size 15, with mean 25 and standard deviation 4. If you add two data points, both 25, to…

A: Data set of size 15, with mean 25 and standard deviation 4. i.e. n=15, x̅=25 and σ=4 mean of data is…

Q: The Bank of Canada is interested in studying the relationship between mortgage rates and median home…

A: Given information: The data represents the values of the variables Interest rate (%) and Median home…

Q: If a group of data 4,6,3,8,5,5,9,10, and 30 were gathered, which will be the best to represent the…

A: Median  will be the best to represent the average in this group of data.

Q: If most of the prices in a large data set are of approximately the same magnitude except for a few…

A: Shape of the histogram:The shape of the histogram is said to be symmetric if it resembles a…

Q: A population of scores has a mean of µ = 29, a median of 30, and a mode of 31. What is the most…

A: HERE FROM GIVEN INFORMATION MEAN = 29 MEDIAN = 30 MODE =31

Q: If an administrator at a regional hospital wanted to organize the following data, which chart/graph…

A: For (a) we have to use barplot in x-axis diagnosis list and in y-axis we have to take inpatients…

Q: When the mean and the median are far apart in value, there may be some extreme values in the data…

A: If they're far apart, then the values are not normally distributed and the median is the better…

Q: Question b. Find the percentage of these adults who possess 7 or fewer credit cards. c. Draw an…

A: The frequency of the discrete or continuous can be represented in graphical format. The cumulative…

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: What type of association is shown in the scatter plot?

A: We have to choose the correct option from the given scatter plot.

Q: Consider the data set below: 35,24,25,38,31,20,26,28 Which of the following box-and-whiskers plots…

A: We have a data set 35,24,25,38,31,20,26,28 Now,  minimum = 20maximum=38 Arranging the data in…

Q: Olivia, Nicholas, Chloe, and Ethan each took many samples from the same population of students. The…

A: Given: 4 samples are given  Olivia, Nicholas, ethan and chloe And the number of students in each…

Q: You are given the following set of observations:  98, 77, 26, 33, 88, 90, 79, 81.  What would be the…

A: Here, we have 8 observations, where if the observations are represented by x1,x2,...,x8, then the…

Q: ighly skewe

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

Q: If your score on your next statistics test is converted to a z score, which of these z scores would…

A: Note that always it is preferred to score the highest score in test.

Q: According to the U.S. Census Bureau, the average household income was $73,298 in 2014 (the latest…

A: Median is kind of average that divides the total data distribution in two equal parts.

Q: Which is the line of best fit for the data shown in the table?

A:

Q: Think of your own example of a data set that would follow a normal distribution and explain why.

A: progress report data of employees follow the normal distribution. let us consider the monthly…

Q: Below is a box plot showing the ages of actors and actresses. Ages of Oscar Winning Actors from 1975…

A:

Q: Because most data values are on the left, we would say that this dot plot (burglary rates per…

A: Skewness:   When data tail in one direction, then the distribution is skewed had has a long tail.…

Q: How would you describe each distribution?

A: According to a gallup survey of boys 77% of boys had played computer games in the past week compared…

Q: Suppose a statistics professor reports a final exam average

A: Empirical rules tell us about how much percentage of data falls within the intervals. According to…

Q: Given the data: 1, 4, 3, 5, 4, Its mean value is

A: Given data(x); (n=5) 1, 4, 3, 5, 4

Q: The distribution of number of people per household is

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: Select whether the value of each statistic for the distances of the stars from Earth increases,…

A: Given the data 63, 68, 78, 88, 90, 105, 120. To find the value of mean, median and standard…

Q: Following are box-and-whisker plots comparing the study times in hours per week for Sarah and Elaine…

A: Let Q1= first quartile= lower quartile, Q2= second quartile=median , Q3=3rd quartile Given from…

Q: Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number…

A: The median is essentially the 50th percentile, so we can think mean as a balance point.

Q: From the graphs displayed, is there evidence to suggest that there is a positive linear relationship…

A: The given first chart is a scatterplot with square feet variable scaled on the y-axis against the…

Q: Create two sets of data, at least 5 numbers each (numbers in the first set should be all different…

A: obervation Marks scored by student out of 20 1 12 2 14 3 18 4 20 5 15 6 17 7 19 The…

Q: The median of a sample with data values of 8,19,12,17,16 is?

A:

Q: What is the shape of the distribution for both plots? This graph was from excel.

A: Given that  Two box plot are given one in blue color and other is red color