# Question

A nationally administered test has a mean of 500 and a standard deviation of 100. If your standard score on this test was 1.8, what was your test score?

## Answer to relevant Questions

A sample has a mean of 120 and a standard deviation of 20.0. Find the value of x that corresponds to each of these standard scores: a. z = 0.0 b. z = 1.2 c. z = -1.4 d. z = 2.05 Which x value has the lower position relative to the set of data from which it comes? A: x = 28.1, where 25.7and s =1.8 B: x = 39.2, where =34.1 and s = 4.3 According to the empirical rule, almost all the data should lie between (- 3s)and (+ 3s) The range accounts for all the data. a. What relationship should hold (approximately) between the standard deviation and the range? ...Each year, NCAA college football fans like to learn about the up-and-coming freshman class of players. Following are the heights (in inches) of the nation’s top 100 high school football players for 2009. a. Construct a ...The pie chart is drawn correctly, but it gives an incorrect impression. a. The area of each circle segment should be proportional to the percentage it represents. Explain how you can use the ribs of the umbrella to verify ...Post your question

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