Problem 1 (15pts) Suppose the average GPA in a nameless college is 2.95 with a standard...
A) (3pts) P(y 2.00) B) (3pts) P(3.33 Sy s 3.75) C) (3pts) The cut off values for the middle 40 percent. D) 3pts) The cut of value for the highest 1 percent. E) (3pts) Calculate the IQR Problem2 number of hours spent in the Santa (I0 pts) Suppose we have the following data available for the average Fe College Math lab. Male Female 1.50 0.75 1.20 0.82 1.30 0.91 1.05 0.84 0.75 0.59 0.80 1.02 1.00 1.90 0.95 2.10 0.925...
1. I recently asked 100 middle school students to complete a statistics test. The mean score on the test was 30 points with a standard deviation of 5 points. The scores followed a normal distribution. Using this information, calculate the following: a. What is the probability a student earned a score of 45 points or less? P (score < 45 points) = b. What is the probability a student earned a score higher than 30 points? P(score > 30) =...
1. Suppose the heights (in inches) of Rosie, Sam, Merry, Pippin, Frodo, Bilbo and Gollum are as follows: (40, 42, 43, 42, 40, 39,40). Calculate the mean height. a. b. Calculate the median height. c. Calculate the variance d. Calculate the standard deviation. e. Find the 5 number summary of the data. f. Draw a box plot for the data. 2. Below is an incomplete Frequency Chart for the age of death of 50 dwarves in Middle Earth a. Complete...
Need help with 1: b, c, d, e and f. And 2. Thanks!
PRE-LAB EXERCISES average size. If d is the diameter in millimeters, some pebbles will be bigger and some smaller than the desired average do. Suppose you have a rock crusher. The pebbles it makes have different sizes, but you can adjust the 1. (a) In the histogram below, about how many pebbles are shown to have diameter of greater 150 100 (b) In this distribution (same histogram,)...
STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the class Instructions: . Use appropriate notations in your answers . Show all steps of your work. Otherwise. part marks will not be given. Write neat and clear (e g. big enough and less cramped up) . Answer the questions in order AND staple their pages in order . Make a photocopy of your assignment for your record. - There are 10 questions and some...
STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the class Instructions: . Use appropriate notations in your answers . Show all steps of your work. Otherwise. part marks will not be given. Write neat and clear (e g. big enough and less cramped up) . Answer the questions in order AND staple their pages in order . Make a photocopy of your assignment for your record. - There are 10 questions and some...
R studio #Exercise : Calculate the following probabilities : #1. Probability that a normal random variable with mean 22 and variance 25 #(i)lies between 16.2 and 27.5 #(ii) is greater than 29 #(iii) is less than 17 #(iv)is less than 15 or greater than 25 #2.Probability that in 60 tosses of a fair coin the head comes up #(i) 20,25 or 30 times #(ii) less than 20 times #(iii) between 20 and 30 times #3.A random variable X has Poisson...
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-11 points BBUnderStat12 22 005 Ask Your Teache My Notes It is costly in both time and money to go to college. Does it pay off? According to the Bureau of the Census, the answer is yes. The average annual income (in thousands of dollars) of a household headed by a person with the stated education level is as follows: 24.9 if ninth grade...
i need help on question 3 to 22 please.
Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...