Results of the Summative Examination in Science given to the 42 G10 class during the fourthquarter period.354330442048431648351019444235404634453343172939353247444825462446473335294138a. What is the frequency distribution of the scores of the Grade 10 students in theirsummative examination on Science?b. How many students passed the summative examination if the passing score belongs to thethird quartile?c. What is the 5th decile score and 95th percentile score of the results in the summativeexamination of G10 class?

The total number of students =42.

Answered: Results of the Summative Examination in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A group of 80 students took a statistics Exam in the following scores were recorded68 84 75 82 68 90 62 88 76 93 73 79 88 73 58 93 71 59 58 51 61 65 75 87 74 62 95 78 63 72 66 96 79 65 74 77 95 85 78 86 71 78 78 62 80 67 69 83 76 62 71 75 82 89 67 58 73 74 73 65 81 76 72 75 92 97 57 63 68 83 81 82 53 85 94 52 78 88 77 71 Calculate median exam score
The age at inauguration for each U.S. President is shown in the sequence of data values below. 57 54 52 55 51 56 61 68 56 55 54 61 57 51 46 54 51 52 57 49 54 42 60 69 58 64 49 51 62 64 57 48 50 56 43 46 61 65 47 55 55 54 28 92 1) Find the 27th 39th, 45th, 68th, and 82th percentiles. 2) Make a five number summary and a boxplot for the given data. 3) Find the outliers using the IQR times 1.5 rule. If there is an outliers, make a modified boxplot for the given data and use asterisks (*) to indicate any outlier.
The following data represents the age of 30 lottery winners. 21 30 31 32 35 35 36 37 37 40 40 43 43 45 46 46 47 49 60 61 64 66 67 67 67 68 71 72 76 80 Complete the frequency distribution for the data. Bin Frequency [20,30) [30,40) [40,50) [50,60) [60,70) [70,80) [80,90)
7. A sample of 12 students participated in an online tutoring program in mathematics. Each student took a pretest before the program started, and a posttest after completely the program. Following are the scores. Student 1 4 5 6 7 9 10 11 12 Pre test 73 76 45 77 65 44 51 53 78 70 46 79 Post Test 83 89 57 79 75 39 62 76 79 39 94 Can you conclude that the median scores differ between the pretest and the posttest? Use the a = 0.05 level of significance. 00 ino
The scores of 80 participants in a dart contest are: 58 49 48 61 68 71 42 36 62 50 82 76 61 50 82 60 36 80 70 52 60 72 58 70 35 55 66 47 84 55 32 46 68 70 62 58 48 75 49 67 48 53 55 57 60 82 40 69 54 63 66 70 72 68 42 55 36 46 59 50 78 67 39 68 72 48 72 56 70 66 70 55 46 72 68 88 54 39 40 56 (a) Find the mean score of the data above. (b) Construct a Stem-and-Leaf chart for the data above. (c) Find the mode of the scores. (d) Find the median of the scores.
The following data represents the age of 30 lottery winners. 26 28 28 30 30 32 33 35 24 37 37 41 43 48 56 58 62 63 64 64 66 68 71 72 72 73 73 76 78 84 Complete the frequency distribution for the data. Bin Frequency [20,30) [30,40) [40,50) [50,60) [60,70) [70,80) [80,90)
The table below gives the number of hours spent watching TV last week by a sample of 24 children. 31 28 60 63 33 75 73 87 46 82 70 50 47 50 39 83 25 73 33 74 87 85 97 12 Range = Standard Deviation =
The following data lists the ages of a random selection of actresses when they won an award in the category of Best Actress, along with the ages of actors when Kthey won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts (a) and (b) below. Actress (years) 30 Actor (years) 68 25 28 31 37 23 29 37 27 34 32 34 28 52 38 38 35 Identify the test statistic. t= (Round to two decimal places as needed.) Identify the P-value. P-value= (Round to three decimal places as needed.) 31 D 45
12. The age of random sample of 40 people who attended a show at the fox. Theater are given below. Find the first, second, and third Quartile 20 26 31 34 39 45 50 62 20 29 31 35 40 47 51 63 23 30 32 35 40 49 51 66 23 30 33 37 40 49 54 69 26 30 34 38 42 49 57 72
2. A coach gave her team a test on sit-ups completed in one minute. Using the data collected, the coach constructed the following frequency distribution: Scores 90-99 80-89 70-79 60-69 50-59 40-49 30-39 20-29 10-19 0-9 a. 9 12 17 13 10 7 3 1 What is the percentile score for a raw score of 38? Show your work. b.) The coach wants to take the top 20% of the team and train them for the World Sit-up Championships. What raw score cut-off would be used to choose the team? Show your work. Note: you can't have part of a person on the team.
Consider the sample of 65 customer satisfaction ratings given in the table (below). 39 46 42 40 45 44 44 44 45 45 44 46 46 46 41 46 46 38 40 40 41 43 38 48 39 42 39 47 43 47 43 44 41 42 40 44 39 43 36 41 44 41 42 43 43 41 44 45 42 38 45 45 46 40 44 44 47 42 44 45 45 43 45 44 43 Click here for the Excel Data File Carry out a chi-square goodness-of-fit test of normality for the population of all customer satisfaction ratings using α = .05. Recall that we previously calculated x⎯⎯x¯ = 42.95 and s = 2.6424 for the 65 ratings. Use the Empirical Rule to create the intervals. (Round your expected frequencies to 2 decimal places. Round your answer to 3 decimal places.)

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