Come from the normal population
The ages of 10 students are listed in years :{ 17,22,19,24,21,23,29,18,22,28 }
(a) Determine the mean, median, mode, sample variance, and range.
(b) Do you think that this sample may have come from the normal population? Why or why not?
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The monthly utility bills are normally distributed with mean value of $150 and standard deviation of $20.
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Determine the mean, median, mode, sample variance, and range. Do you think that this sample may have come from the normal population? Why or why not?
800 feet of fencing is available to make 2 adjacent rectangular pens. Fencing is needed along perimeter as well as through middle. State total area of the pens as the function of x.
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A research shows which employee salaries at company XYX, in thousands of dollars, are given by the equation y-hat= 48.5 + 2.2 a + 1.5 b where ‘a' is the years of experience, and ‘b' is the education level in years. In thousands of doll
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