#3) If your class has four tests and you get grades of: 72, 85, 79, 91 What is your test average?

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

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Q: There were 150 students that were asked about their favorite animal.  23 students chose hamsters, 48…

A: Total students = 150 No. of students who chose hamsters as their favorite animal = 23 No. of…

Q: Mrs. Cruz is a Math teacher; she gives a 60 item test for remedial class. The scores of 20 students…

A: Deciles divide the ordered data into 10 equal parts.   There are 20 values in the data. So, n = 20.…

Q: Explain the value of p?

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Q: We have 39 balls in the box, you choose 5 random balls. What is the percentage that 4 of them are…

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Q: What percentage of books read 76 books out of 80 total books

A: Solution:

Q: The number of students taking the Scholastic Aptitude Test (SAT) has risen to an all-time high of…

A: The number of times the SAT was taken and the number of students are as follows.     Number of…

Q: What does the numbers mean in a 40;20;10; sequence or a 10;40;20; sequence?  Is the 40, the number…

A: Given: The first sequence is: 40;20;10 The second sequence is: 10;40;20; We have to determine that…

Q: Leon has just gone grocery shopping. The mean cost for each item in his bag was $3.62. He bought a…

A: It is an important part of statistics. It is widely used.

Q: A middle school has 250 students. Jenny surveys a random sample of 50 students and finds that 15 of…

A: Total number of students in school = 250 Sample taken of 50 students Number of students having maths…

Q: What is the mean of 1,-3,4,5,7?

A: Given data, 1,-3,4,5,7   Mean=?

Q: What is the variance and standard deviation for the number of times the SAT is taken?

A: We want to variance and standard deviation

Q: Hakim created his own deck of cards for a magic trick. He decorated all the cards with pictures of…

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Q: Suppose you have a group of fourth graders and a group of eighth graders, and you want to compare…

A: We have to determine which test use for given situation.

Q: How many outcomes are possible on a quiz with three true/false questions?

A: To determine the number of outcomes that are possible on a quiz with three true/false questions.

Q: Over a five-day period you captured 50 fox squirrels and marked them with ear tags. After one month…

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Q: The following are the grades of 16 students in Life and Works of Manny Pacquiao subject:…

A: Given data of the grades of students in life and works of manny pacquiao subject:…

Q: Find the mode of these test scores: Test scores 100,75,80,90,80, 100,92,88,80,84,81

A: Test scores 100,75,80,90,80, 100,92,88,80,84,81

Q: in a math test , 368 students from a scool took a  test , the scores   are 5,10,18,26 and 31 . find…

A: First calculate mean and standard deviation of the sample scores .  The sample size is n=5. The…

Q: student wants to know his average homework grade for the first half of his math class. There were 7…

A: Given data, 100,90,95,89,92,85,95 What is the population mean of his homework grades?

Q: Give an example of a set of 10 numbers for the following:  an average equal to the median.

A: The number of observations is 10.

Q: WHAT IS H0 AND H1 MEANS?

A: H0 is null hypothesis and H1 is alternative hypothesis.

Q: ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test so…

A: Given: Ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test…

Q: A class took an English test and a Math test. The test scores of 25 students for both tests are…

A: Given:   English Math 60 80 35 40 80 45 88 85 76 90 30 95 66 65 50 75 75 55…

Q: Supposed that you took a Math test consisting of 30 questions and that were able to answer 25…

A: Proceed as shown below...

Q: Lionel has just gone grocery shopping. The mean cost for each item in his bag was $3.19. He bought a…

A: Given info: The mean cost for each item in his bag was $3.19.

Q: State College's women's basketball team had the following scores in their last 7 games: 85, 66, 74,…

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Q: The pass result of 50 students who took up a test is given below : Marks No. of students 4 5 10 6.…

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Q: utipants More Students in Mr. Jepson's Chemistry classes were given a total of 8 tests during the…

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Q: The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9,…

A: The mean score of 7 students on a short test is 7 out of 10 . If six of the seven students scored…

Q: The arithmetic mean of three numbers is 100. If the mean of the first two numbers is 50, what is the…

A: The objective of the question is to find the third number given that the arithmetic mean of three…

Q: There are 1,050 seniors in the class. 483 seniors want to go to a basketball game What percentage of…

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