The pass result of 50 students who took a class test is given below: Marks : 60 70 90 Number of students : 9 6 3 If the mean marks for all the students was 51.6, the mean marks of the students who failed is (Round your final answer to the nearest tenth and type it in decimal form.) 80

Q: The histogram to the right represents the weights (in pounds) of members of a certain high-school…

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Q: Joey's first 14 quiz grades in a marking period were as follows: 86 84 91 75 78 80 74 87 76 96 82 90…

A: Given grades are :  86,84,91,75,78,80,74,87,76,96,82,90,98,93 N = 14

Q: Jeffrey's mathematics teacher used the information in the table above to calculate his most recent…

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Q: What is the value of Ex² for the scores 1, 0, 2, 4? O 21 O 28 O 14

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Q: .2 mn Mun 177 FOR the scores in the follawne table, what is the value of 2. 1 3. 2. 2.

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Q: For the scores in the following table. what is the value of EX O 225 O 20 O 05

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Q: Of the students in Myra's grade, 12% are going on a field trip. Which decimal number represents the…

A: Givenpercentage of students going on a field trip = 12%

Q: Leo is an election officer. On election day, he travels to the polling place, which is 4.8 miles…

A: Please see the below picture for detailed solution.

Q: Explain how you can quickly calculate the average of the following list of test scores without…

A: Given data81, 78, 79, 82All the data are centered about 8081 – 80 = 178 – 80 = -279 – 80 = -182 – 80…

Q: How many values are in the ranges of 35 to 95?

A: The range is obtained as the difference between the maximum and minimum values.

Q: -3.7; B+ = 3.4; B = 3.0; and B=2.7. Find e student's GPA for the semester. Math Comparitive Religion…

A: To calculate the student's GPA, we need to convert each letter grade to a numerical value based on…

Q: 56 62 69.5 75 86 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90

A: Box and Whisker plot is a graph that is used to find the five-number summary. Five number summary…

Q: weight-loss program, and she had 15 individuals participating in the program. She weighed…

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Q: What is the average of  2.0, 32.0, 44.0, 14.5, 7.5 ?

A: For a set of n observations, x1, x2, ... , xn, mean or average is given by, This is measure of…

Q: Calculate the standard score for each given value. Round your answer to the nearest hundredth

A: According to the given information, we have Mean = 1123 Standard deviation = 241

Q: Find the geometric mean for the following numbers: 4 and 19 a 8.7 O b 9.1 8.8 O d 9.2

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Q: Find the mean: 4,5,7,9

A: The data set is: 4,5,7,9

Q: In the following statement, express the first number as a percentage of the second number A certain…

A: Percentage means 100th part of the whole. It is denoted by %. % can be replaced by 1100.

Q: Find the 5 number summary for the number of questions correct on a quiz. score 4.1 19.5 20.5 24.1…

A: Please see the below picture for detailed solution.

Q: where did  you get 0.5 from

A: The mean of the distribution, The standard deviation of the distribution,

Q: Do Now: Find the mean of the following test scores: 100, 98, 86, 95, 81

A: Given ,score is 100,98,86,95,81sample size (n)=5

Q: 62 69.5 75

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Q: The scatter diagram shows the record times for races of different lengths at a junior high school…

A: In the scatter diagram, the horizonal axis ( x axis) represent the length of race( in meters) and…

Q: How does k=.067?

A: Since we want to find the z-score for the 75th percentile (top 25 percent), we need to find the…

Q: find the geometric mean between the two numbers , round to the nearest tenth if necessary

A: