14 A group of 60 students each sat an algebra test and a geometry test.Each test was marked out of 110The cumulative frequency graph gives information about the marks gained by the60 students in the algebra test.60Cumulativefrequency50403020100010 20304050 60 70Algebra mark80 90 100 110(a) Use the graph to find an estimate for the median mark in the algebra test.(b) Use the graph to find an estimate for the number of students who gained 58 marksor less in the algebra test.(1)(1) (c) Use the graph to find an estimate for the interquartile range of the marks gained inthe algebra test.The interquartile range of the marks gained in the geometry test is 9Luis says"The students' marks are more spread out in the algebra test than in thegeometry test."(d) Is Luis correct?Give a reason for your answer.(2)(1)To be awarded a grade A in the algebra test, a student had to gain a mark greater than 64Two students are to be selected at random from the 60 students in the group.(e) Use the graph to find an estimate for the probability that both of these students wereawarded a grade A in the algebra test.

A group of 60 students each sat an algebra test and a geometry test. Each test was marked out of 110 The cumulative frequency graph gives information about the marks gained by the 60 students in the algebra test. 60 Cumulative frequency 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 Algebra mark (a) Use the graph to find an estimate for the median mark in the algebra test. (b) Use the graph to find an estimate for the number of students who gained 58 marks or less in the algebra test. (1)

A group of 60 students each sat an algebra test and a geometry test. Each test was marked out of 110 The cumulative frequency graph gives information about the marks gained by the 60 students in the algebra test. 60 Cumulative frequency 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 Algebra mark (a) Use the graph to find an estimate for the median mark in the algebra test. (b) Use the graph to find an estimate for the number of students who gained 58 marks or less in the algebra test. (1)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

How do I find the number of classes in a frequency histogram.
Use the same scales to construct modified boxplots for the pulse rates of males and females from the accompanying data sets. Identify any outliers. Use the boxplots to compare the two data sets. Click the icon to view the data sets. Determine the boxplot for the men's pulse rate data. Choose the correct graph below. O A. O C. xx HE 40 50 60 70 80 90 100110 O C. What points are outliers? OA. 46 O B. 46, 89, 105 OC. 46, 48, 105 O D. 105 40 50 60 70 80 90 100110 -ידי xH Determine the boxplot for the women's boxplot data. Choose the correct graph below. O A. Q 40 50 60 70 80 90 100110 xH Q 40 50 60 70 80 90 100110 Q ✔ Q ✔ C O B. O D. O B. O D. 841x 40 50 60 70 80 90 100110 X 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110 XX 40 50 60 70 80 90 100110 Q Q M Q Q ✔ Pulse rates for men and women Men's Pulse Rates 59 72 72 58 84 50 58 65 66 55 105 64 65 77 70 62 Women's Pulse Rates 76 70 74 83 59 67 65 72 74 89 85 78 56 80 60 46 70 59 70 75 66 68 66 72 77 78 97 74 62 81 54 74 77 79 89 95 59 98…
Data was collected for a sample of 7 organic snacks. The amount of sugar (in mg) in each snack is summarized in the histogram below. Snack Graph 12+ 10- 24 Snacks What is the sample size for this data set?
Find the 5 number summary for the data shown 3 34 38 41 43 66 70 71 81 83 100 5 number summary:
For the data set: {25, 4, 4, 7, 10, 13, 8, 3, 5, 8, 6, 3, 5. 6, 6, 5, 5, 10, 5, 7, 14, 6, 4} Find the upper and lower outlier boundaries.
(6) Below is the exam score for 11 students: 90, 83, 89, 66, 80, 87, 95, 94, 70, 92, 83 Construct a stem-and-leaf plot for the data set, using the tenth digit as the stem and the unit digit as the leaf.
What is the shape of the distribution for both plots? This graph was from excel.
use the data from the table below to create intervals and frequency tables. Show all your work.
Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. (a) There are (Type a whole number.) classes. (b) The least frequency is about (Round to the nearest whole number as needed.) The greatest frequency is about. (Round to the nearest whole number as needed.) (c) The class width is $0. (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? A. About half of the employees' salaries are between $40,000 and $49,000. B. About half of the employees' salaries are between $50,000 and $59,000. C. Most employees make less than $34,000 or more than $60,000. D. Less than half of the employees make between $35,000 and $59,000. Frequency 300- 200- 100- 0- Employee Salaries 32 37 42 47 52 57 62 Salary (in thousands of dollars) O
Graph the data in a scatter diagram: Age Calories 765 1520 15 2540 500 5. 795 17 2350 6. 1900 Use the paperclip button below to attach files. XDG BIUに ..
Draw a Box Plot and identify outliers (if any):-1, -11.7, -19, 20, 21, 30, 5, 7, 9.7, 13.1, 17.5, -7, 13, 7