The figure below shows relative frequency histogram for 50 employees working in a small construction company classified according to their years of experience. While x-axis represents the class midpoints of experience years, y-axis represents relative frequency for the employees. The value of variance for the years of

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Q: How can I create a histogram when the only data I have is the percentage of 16 year olds who used…

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Q: How can one locate mode graphically in case of grouped data?

A: Given: We need to locate mode graphically for grouped data.

Q: xplain how to use a boxplot show you the measures of center variations, and distribution of data set

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Q: True or false:

A: Here use definition of dot plot

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Q: Illustrate Interpret significant and non-significant differences?

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Q: Find the mean of the following data * ,1,0,1,2,3,4- ,2- ,3-

A:

Q: the variance of a data set is 144 and mean is 72 then coefficient of variance is

A: Given,variance(σ2)=144mean(x¯)=72

Q: We heard that the mean marks of statistics of 100 students of a class of economics majors were 72.…

A:

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

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A:

Q: How to interpret scatterplots Positive, Negative, or little or No Relationship?

A:

Q: Calculate coefficient of variation from the following data: 25, 27, 30, 32, 32, 40, 45, 46, 47, 48

A:

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: The percentile gives an indication of the relative position of the scores. True or False?

A: Partition values are the values which divide the series into a number of equal parts.  * Three…

Q: What equation should be used in significance of the value found in scatter diagram of the data

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A: the sample size is n=30

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A:

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Q: why do you think the data presented this way?

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Q: Mean is advantageous than the median because a. It is not influenced by extreme values

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A: Given:

Q: A study was undertaken to see how accurate food labeling for calories on food that is considered…

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Q: What is the equation of finding an estimate on a negative scatter plot

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Q: f a students rank in a class of 200 is 12, find the students percentile rank

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