Question

1.) Supposed the weights of all yearling cattle can be described by N(1136, 54).

a. How many standard deviations from the mean would a steer be who weighed 1000 pounds?

b. If one steer weighted 1000 pounds and another weighed 1250 pounds,

                i. Which steer would have the most unusual weight?________________________

                ii. Explain your answer using statistical reasoning, not opinion. ________________________

2.) An exam is given to 30 college students. The average score on the exam is 76 and the standard deviation is 5. The highest score on the exam is 88 and lowest is 70. What is the z-score for each of these scores? Please show your work.

a. z-score (highest exam score): __________________________

b. z-score (lowest exam score): ___________________________

3.) Considering the information provided in the previous question. If a college student had a z-score of 0.8 what is the raw score? And what is the relationship of student performance to other students who took the exam?

Raw Score:__________________________________

Discussion:__________________________________

Answer 1

this is answer of question first

this is answer of second question

this is answer of third question