Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 21 views

    Ghana Christian International High School

    Uploaded by

    elleakuamoah
    This document contains 5 statistics questions from a progressive exam for classes 11G1 and 11G3. The questions involve creating charts and graphs from data tables, calculating mean deviation and percentiles, and representing distributions in histograms and frequency tables.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Ghana Christian International High School

    Uploaded by

    elleakuamoah
    21 views3 pages
    This document contains 5 statistics questions from a progressive exam for classes 11G1 and 11G3. The questions involve creating charts and graphs from data tables, calculating mean deviation and percentiles, and representing distributions in histograms and frequency tables.

    Original Description:

    Original Title

    P1

    Copyright

    © © All Rights Reserved

    Available Formats

    DOCX, PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    This document contains 5 statistics questions from a progressive exam for classes 11G1 and 11G3. The questions involve creating charts and graphs from data tables, calculating mean deviation and percentiles, and representing distributions in histograms and frequency tables.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    21 views3 pages

    Ghana Christian International High School

    Uploaded by

    elleakuamoah
    This document contains 5 statistics questions from a progressive exam for classes 11G1 and 11G3. The questions involve creating charts and graphs from data tables, calculating mean deviation and percentiles, and representing distributions in histograms and frequency tables.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 3

    GHANA CHRISTIAN INTERNATIONAL HIGH SCHOOL

    PROGRESSIVE 1
    STATISTICS
    15TH MAY, 2023
    CLASSES: 11G1 & 11G3

    1
    PROGRESSIVE 1
    All questions are compulsory. Questions are to be answered in your graph book.
    1. The table below shows the number of students who offer certain subjects in a school.

    Subject Number of students


    Mathematics 45
    Physics 39
    Chemistry 28
    Biology 14
    Economics 36
    History 18

    i. Draw a pie chart to illustrate the data.


    ii. What percentage of students offer Economics?

    2. The table gives the scores of 50 students in a test.


    Scores 5-9 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34 35 – 39
    No. of 4 5 12 16 7 4 2
    students

    Calculate, correct to one decimal place, the mean deviation of the distribution.

    3. The table below shows the distribution of marks obtained by students in an examination.
    Marks Frequency
    11-20 5
    21-30 21
    31-40 15
    41-50 43
    51-60 10
    61-70 14
    71-80 7
    81-90 3
    91-100 2

    a. Draw a histogram to represent the above data.


    b. Use your histogram to estimate the mode.

    2
    4. The scores of students in a test were recorded as follows:
    4 2 1 6 5
    3 5 6 1 2
    1 5 5 6 3
    4 3 5 1 5
    i. Construct a frequency distribution table.
    ii. Represent the information in a bar chart.
    iii. Calculate the interquartile range

    5. The table shows the distribution of marks scored by 500 candidates in an examination.

    Marks 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99

    Frequency 10 28 40 92 y+60 90 50 30 15 5

    a. Find the value of y.


    b. Construct a cumulative frequency table and use it to draw a cumulative frequency curve.
    c. Find the 80th percentile of the cumulative frequency curve.

    You might also like