A. WRITTEN WORK1. calculate the 7th of Mathematics test scores of 50 studentsClass intervalFrequencycfbLower boundary50-54138128106.15-19I=5n=B. PERFORMANCE TASK : use the same table in letter A.2. calculate the 9th of Mathematics test scores of 50 students

We need fill the missing values of givem frequency table and find the 9th value of Mathematics…

Answered: A. WRITTEN WORK 1. calculate the 7th of…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 4SGR

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Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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Joseph and Diana scored 32 and 23, respectively, in the entrance examination for Senior High School. The determining factor for a Senior High School scholarship is that a student's score should be in the top 10% of the scores of all the examinees. The students in the Grade 10 class obtained the following scores in the entrance exam. SCORE INTERVAL & FREQUENCY 01 Frequency (f) 1. Scores Interval 02 3-5 1. Complete the table by filling in the values of lower boundaries and cumulative frequency. Exploin how you arrived at your answers. 6-8 9-11 03 12- 14 15-17 8. 2. Find the following: a) 3" quartile b.) 72n percentile c) decile of the set of 5-7/11 DE 04 18- 20 21-23 24- 26 27 - 29 30 - 32 10 22 3. What is the percentile rank or Joseph and Diana? 13 06 33-35 4. Based on their percentile and percentile ranks, will Joseph and Diana receive a scholorship? 36- 38 39-41 ... ...
what is mode and how do i find it?
iris is a built-in R data set (data frame). This data set contains gives the measurements in centimeters of the variables sepal length and width and petal length and width, respectively, for 50 flowers from each of 3 species of iris. The species are Iris setosa, versicolor, and virginica. We are interested in some descriptive statistics related to the Sepal.Width column of the data frame. We can access the data directly by using the assignment x <- iris$Sepal.Width (In R use ?iris for info on this dataset.)Remember: x <- iris$Sepal.Widtha.Calculate the sample median of x. b. Using the R quantile function, find the .80 quantile of x.(80th percentile) c. Calculate the interquartile range of x using R. d. Calculate the sample mean of x. e. Calculate a 4% trimmed mean for x. f. Calculate the sample variance of x. g. Calculate the sample standard deviation of x. h. What proportion of the x values are within 2.0 sample standard deviations from the sample mean i. Calculate the minimum…
identify any column in the table with data at the interval level. how can the data be ordered?
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A. WRITTEN WORK 1. calculate the 7th of Mathematics test scores of 50 students Class interval Frequency cfb Lower boundary 50-54 1 8 12 8 10 15-19 I=5 n= B. PERFORMANCE TASK : use the same table in letter A. 2. calculate the 9th of Mathematics test scores of 50 students