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1. For four observations, it is given that mean is 6, median is 4, and mode is 3. Find the standard deviation of this sample.

2. The data given below pertain to a random sample of disbursements of state highway funds (in millions of dollars), to different states.

1188	1050	2882	2802	780	1171	685
537	519	2523	316	1117	1578	261

(a) Find the mean, variance, and range for these data and interpret.

(b) Find lower and upper quartiles, median and interquartile range. Check for any outliers and interpret.

(c) Construct a box plot and interpret.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91641449

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