Question

The miles per gallon (mpg) for each of 20 medium-sized cars selected from a production line during the month of March are listed below. 23.0 21.2 23.5 23.6 20.1 24.3 25.2 26.9 24.6 22.6 26.1 23.1 25.8 24.6 24.3 24.1 24.8 22.1 22.8 24.5 (a) Find the z-scores for the largest measurement. (Round your answers to two decimal places.) z =

214

likes1070 views

Esmeralda

4.7

15 Answers

the mean is \bar{x}=23.86
the standard deviation is s=1.6414
the largest measurement is x=26.9 the z-score is z=\frac{x-\bar{x}}{s}=\frac{26.9-23.86}{1.6414}=1.85

Frequently asked questions (FAQs)

Question: In a right triangle, if one angle measures 30 degrees and the opposite side length is 10 units, what is the length of the hypotenuse?

+

Question: What is the vertex form equation of a quadratic function that has a vertex at (-3, 2)?

+

What are the solutions to the cubic equation x^3 - 3x^2 + 2x - 4 = 0?

+

New questions in Mathematics