a. Which player had the higher average points when compared to the other players on his team?

Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?

With the extra data value,  the range, standard deviation, and variance is?

On a nationwide math test, the mean was 58 and the standard deviation was 4. If Roberto scored 70, what was his z-score? Use the formula Z where is the mean, o is σ the standard deviation, and x is Roberto's score. Round to 4 decimal places. X н =

The table on the right gives the annual income for eight​ families, in thousands of dollars. Find the number of standard deviations family E​'s income is from the mean. Family A B C D E F G H Income 46 50 46 47 48 47 44 48       Question content area bottom Part 1 How many standard deviations is family E​'s income from the​ mean?   enter your response here ​(Round to three decimal places as​ needed.)

Note: The standard deviation is defined as the average distance of the class scores from the mean. Note: The variance is defined as average squared distance of the class scores from the mean. Sameer's score in a quiz was 25 and he was five standard deviations above the mean in this quiz. The mean was 20. The average squared distance of the scores from the mean in this quiz is: Select one: a. -3 b. 2 c. 3 d. -2 e. 1 f. -1

Player His Average Points Other's Average Points Other's Standard Deviation Fredo 153 163 15 Karl 163 183 35 Table 2.57 a. Which player had the higher average points when compared to the other players on his team? Fredo O Karl b. Use Table 2.57 to find the value that is three standard deviations above the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number C. Use Table 2.57 to find the value that is three standard deviations below the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number Next Back Question Menu- Quit & Save Submit Assignment 502 PM 200

for the data shown, answer the questions, round to 2 decimal places, 10.9,12.5,29.8,19.3,19.7,23.3,2.8,29.2,23.5. find the mean, median and the standard deviation.

Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?

Suppose you have already calculated the mean, the average deviation, and the standard deviation of the weights in pounds of 20 third-graders.  a. if these weights were converted to kilograms and the mean and the average deviation were once again calculated, would the second average deviation be (numerically) less than, greater than, or equal to the first average deviation? Explain your answer. b. If the standard deviation of these weights were calculated in kilograms, would it be (numerically) less than, greater than, or equal to the first standard deviation? Explain your answer