For data on "volumes of milk dispensed into 2-gallon milk cartons," should you use the mean or the median to describe the center?
Q: What dot plot has a median of 5, a range of 10, and a mean of 5?
A: Explanation: Consider the data set is: 0, 5, 10 n = 3 Mean = 0+5+103= 153= 5 Median = n+12thterm=…
Q: What is the difference between finding the Mean and Range?
A: Introduction:The mean is a measure of central tendency, whereas the range is a measure of…
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: Does the mean or median better represent the data? Explain your reasoning.
A: Given data: 30 15 40 40 40 30 50 40 100 30 30 30 30 150 30 30…
Q: For a moderately skewed data, the arithmetic mean is 200, the coefficient of variation is 8 and Karl…
A:
Q: What proportion of z scores lie beteeen -2 and +2 in the height in inches data set? Round your…
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Q: I surveyed a sample of 68 customers in a business to see how much they spend in there. Would this…
A: Parameter: Any statistical measure based on all units in the population is called Parameter.…
Q: Is there enough variation in the value people place on health for it to be included in value…
A: Value Surveys: The value surveys is a tool for improving the quality, standards, improving customer…
Q: xplain how to use a boxplot show you the measures of center variations, and distribution of data set
A: Box and whisker plot: A type of graph used to display patterns of quantitative data is called a box…
Q: When expressing findings from data gathered the mean and the median can always be used…
A: In statistics, there are two types of measures namely measures of central tendency and measures of…
Q: which is more meaningful in ranking academic performance quartiles or deciles
A: A data set's quartiles divide the data into four equal parts, each containing one-fourth of the data…
Q: Here is the second data set. 49 84 44 89 74 26 80 39 92 49 d. What is the mean (T) of this data set?…
A: We know that Mean=sum of observation/numbar of observation Median=middle value of the data set.…
Q: How do you find the mean and median from a frequency chart ?
A: Frequency chart is the representation of frequency of various outcomes in a sample. ** Frequency…
Q: Explain the difference between quantitative and qualitative measures. Provide an example of each.
A: Introduction Statistics is a field that involves collection, arrangement and analysis of the data to…
Q: For qualitative data, the mean is the best measure of center. False
A: Qualitative data contains categorical variables. It includes values that do not have numerical…
Q: To which percentie,quartile and decile does the median correspond?
A: We want to find the relationship between median, quartile, percentile, decile
Q: The mean GPA for 138 residents of the local apartment complex is 1.9. What is the best point…
A: Solution: From the given information, the mean GPA for 138 residents of the local apartment complex…
Q: On Friday night, the owner of Chez Pierre in downtown Chicago noted the amount spent for dinner for…
A: We have given that data First Arrange data in ascending order 52, 61, 61, 68, 69, 80, 84, 87, 95,…
Q: The position of data in a data set is determined by a. Percentage score O b. Mean of the data O .…
A: Percentile score: Percentiles are positional measures used statistical data set to indicate the…
Q: body mass index (BMI) of a person is the person's weight divided by the square of his or her height.…
A: Here , we want to test the claim that the mean BMI of US adults in the current year is greater than…
Q: What is the importance of using pie/bar charts or graph when representing data?
A: Importance of a Pie Chart A simple and easy-to-understand picture. It represents data visually as…
Q: The value, in thousands of dollars, for houses on a block, are: 45; 47; 47.5; 51; 53.5; 125 1. The…
A: Given data45 , 47 , 47.5 , 51 , 53.5 , 125
Q: he same as the mean?
A: Length in Meters House Wives 1.0 50 1.5 48 2.0 42.00 2.5 40.00 3.0 10.00…
Q: The value which divides data arranged in ascending or descending order into two equal halves is.…
A: The objective is to determine the value that divides the arranged data (ascending or descending…
Q: When is it best to use the mode as a measure of center? Describe what type of data would lead you to…
A: The mode is the least used of the measures of central tendency and can only used when dealing with…
Q: How is the goal of descriptive statistics served by putting scores in a frequency distribution?
A: It is an important part of statistics . It is widely used .
Q: For quantitative data, the mean is the best measure of center when the symmetric and bell-shaped.…
A: The measures of central tendency are mean, median and mode.
Q: Why is it important to understand the level of measurement of a variable in statistics?
A: We have to write the importance to understand the level of measurement of a variable in statistics:…
Q: 4. Find the percentage of data points that lie below z = 1.46. Draw a picture to support your work.
A: The provided z-value is 1.46. The probability of data points that lie below this value can be…
Q: In tests of proportions, the data is qualitative. True False
A: Qualitative data is categorical and consists of categories or labels that cannot be easily…
Q: When describing a data set, the mean is used with and the median is sed with Z-scores are used to…
A: When describing a data set, the mean is used with average and the median is used with middle value.
Q: The mean of the data set represented by the histogram is 12. What is a reasonable estimate for the…
A: We have to find estimate for median...
Q: In a study, the data you collect is Number of traffic tickets. What is the level of measurement?.
A: In statistics, the level of measurement refers to the mathematical properties that the data…
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: There are three types of plot to choose from: boxplot, bar chart, and pie chart. Which of the plots…
A: Solution: Discrete variable: A variable is said to discrete if it is finite and countable. It…
Q: The mean GPA for a 127 residents of the local apartment complex is 1.6. What is the best point…
A: Assume that the random variable X defines the mean GPA for a randomly selected residents of the…
Q: Are data at the nominal level of measurement quantitative or qualitative? Explain why.
A: Nominal level is qualitative which give label on the data without giving numerical values.
Q: 2. Find the mean, median, and mode of each set of data: a. 45 48 56 62 75 75 78 84 b. 3 48 56 62 75…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…
Q: 1. Provide an example of a data set whose histogram you would expect to be skewed to the left.…
A: A skewed left distribution which has a tail towards the left side. The example of a data set those…
Q: Determine the median and interquartile range of the following set of data: 11 859 73 4 8 14 16 2
A: Given data : n = 11 11,8,5,9,7,3,4,8,14,16,2 Arrange data in increasing order : 2, 3, 4, 5, 7, 8,…
Q: Mean is advantageous than the median because a. It is not influenced by extreme values
A: The mean is the average value of the data set and is computed by summing up all the observations and…
Q: Because colas tend to replace healthier beverages and colas contain caffeine and phosphoric acid,…
A: Least Squares Method is one of the standard methods in regression analysis to determine the line of…
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
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- Refer to the histogram attached: 1) Is mean or median a better measure of the centre of the “weights” variable in this dataset? Explain your reasoning.How do the medians compare between the two dot plotswhat level of measurement is the rating of the overall quality of a textbook from excellent to poor
- What is the equation of finding an estimate on a negative scatter plot?Describe about the Qualitative Data and Nominal Measurement.A sports columnist wishes to portray baseball players as overpaid. Which measure of center should he report as the representative salary of major league players. the mean the median either mean or the median since they will be equal neither the mean nor the median, since both will be much lower than the actual average salary
- A back-to-back stem-and-leaf plot compares two data sets by using the same stems for each data set. Leaves for the first data set are on one side while leaves for the second data set are on the other side. The back-to-back stem- and-leaf plot available below shows the salaries (in thousands) of all lawyers at two small law firms. Complete parts (a) and (b) below. Click the icon to view the back-to-back stem-and-leaf plot. (a) What are the lowest and highest salaries at Law Firm A? at Law Firm B? How many lawyers are in each firm? At Law Firm A the lowest salary was $ At Law Firm B the lowest salary was $ and the highest salary was $ and the highest salary was $results from a 2010 research study show that an average 11 in thousands of americans is hiv positive. use this information to decide the best estimate for the percent of americans who is hiv negative.Construct a box plot of a data set with a median of 50, a minimum value of 20, first quartile 42, IQR=29, and a maximum value of 90. What percentage of total data is between 42 and 71?