IGNOU BCA BCSL 44 Statistical Techniques Lab Solved Assignment ENGLISH
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BCSL 44: Statistical Techniques Lab
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| Title Name | IGNOU BCA BCSL 44 Statistical Techniques Lab Solved Assignment ENGLISH |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BCA |
| Course Name | Bachelor of Computer Applications |
| Subject Code | BCSL 44 |
| Subject Name | Statistical Techniques Lab |
| Year | 2026 2027 |
| Session | - |
| Language | ENGLISH |
| Assignment Code | BCSL 44/Assignment-1/2026 2027 |
| Product Description | Assignment of BCA (Bachelor of Computer Applications) 2026 2027. Latest BCSL 044 2026-27 Solved Assignment Solutions |
| Format | Ready-to-Print PDF (.soft copy) |
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BCSL 044 (July 2026 - January 2027) - ENGLISH
Course Code : BCSL-044
Course Title : Statistical Techniques Lab
Assignment Number : BCA(IV)/L-044/Assignment/2026-27
Maximum Marks : 50
Weightage : 25%
Last Dates for Submission : 31st October, 2026 (For July 2026 Session)
: 30th April, 2027 (For January 2027 Session)
This assignment has eight questions of total of 40 marks, each question carries equal
marks. Rest 10 marks are for viva voce. Please go through the guidelines regarding
assignments given in the programme guide for the format of presentation.
Q1: The marks obtained by 20 students in an entrance examination out of 100 are given below:
60, 50, 75, 25, 80, 35, 85, 60, 65, 95, 31, 91, 71, 68, 25, 30, 62, 73, 77, 64
Using a spreadsheet package, perform the following tasks:
a) Enter the data in a spreadsheet.
b) Create a frequency distribution using class intervals: 0–10, 11–20, 21–30, …, 91–100.
c) Draw a histogram for the data.
d) Calculate the mean and standard deviation using spreadsheet formulas.
e) Find the minimum and maximum marks.
Q2: The marks of 20 students in a project course out of 200 are given below:
110, 95, 150, 80, 115, 30, 180, 125, 90, 117, 25, 75, 85, 135, 160, 77, 89, 129, 149, 101
Using a spreadsheet package, perform the following tasks:
a) Create a frequency distribution using the class intervals:
0–25, 26–50, 51–75, 76–100, 101–125, 126–150, 151–175, 176–200.
b) Use an array formula or suitable spreadsheet function to count frequencies.
c) Draw a histogram.
d) Calculate the mean and variance.
e) Find the lowest and highest project marks.
Q3: The pulse rates of 6 people were recorded before and after taking a new drug:
Before: 69, 72, 67, 75, 80, 79
After: 70, 68, 68, 71, 72, 75
Using a spreadsheet package, perform a paired t-test at 10% level of significance to test whether the drug
causes a significant decrease in pulse rate.
BCSL 44 2025 2026 - English
Course Code : BCSL-044
Course Title : Statistical Techniques Lab
Assignment Number : BCA(IV)/L-044/Assignment/2025-26
Maximum Marks : 50
Weightage : 25%
Last Dates for Submission: 31st October, 2025 (For July Session) 30th April, 2026 (For January Session)
This assignment has five questions of total of 40 marks. Rest 10 marks are for viva voce. Please go through the guidelines regarding assignments given in the programme guide for the format of presentation.
Q1. The weight of 20 students of class X in kgs in given in the following table.
| 65.5 | 52.5 | 39.2 | 47.7 | 67.5 |
|---|---|---|---|---|
| 45.9 | 55.3 | 59.5 | 70.1 | 62.5 |
| 39.9 | 65.2 | 42.9 | 56.3 | 59.5 |
| 62.3 | 54.2 | 51.3 | 47.6 | 69.5 |
Perform the following tasks for the data given above:
(a) Enter the data in the spreadsheet package and create a frequency distribution in 8 ranges of equal interval. The frequency distribution may be created using array formula.
(b) Draw the histogram for the data.
(c) Find the mean and variance for the data using spreadsheet.
(d) Find the maximum and minimum weight using spreadsheet formula.
Q2. Consider the following data of sales of wheat by a farm house in a week:
| Day | Sales (Kgs) |
|---|---|
| Monday | 200 |
| Tuesday | 175 |
| Wednesday | 150 |
| Thursday | 125 |
| Friday | 250 |
| Saturday | 300 |
| Sunday | 350 |
Find the moving averages of length 4 and 5. Plot these moving averages using spreadsheet.
03. A company has the following production and sales data.
| Production in (Nos) | Sales in INR |
|---|---|
| 40 | 30,000 |
| 50 | 75,000 |
| 60 | 60,000 |
| 90 | 80,000 |
| 70 | 75,000 |
| 45 | 60,000 |
| 80 | 55,000 |
(a) Construct a scatter plot (diagram) for the given data using a spreadsheet package.
(b) Find the best linear regression line, assuming that sales in an independent variable and production is a dependent variable. Explain your answer.
Q4. The following table shows the data on mortality rate of plants on use of a new fertilizer. Use chi-square or any other test to determine, if the fertilizer has any effect on enhancing the living rate.
| Categories | Living | Dead | Total |
|---|---|---|---|
| Not given fertilizer | 427 | 219 | 646 |
| Given fertilizer | 297 | 130 | 427 |
Explain your result
Q5. The sugar level of 6 patients were recorded before and after taking a new drug:
| Before | 130 | 200 | 100 | 95 | 125 | 150 |
| After | 95 | 120 | 99 | 90 | 100 | 110 |
Using t-test and a significance level of 5% can you determine if the new drug causes significant reduction in sugar level. You must write Ho and H₁ clearly and explain your results.
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Course: Bachelor of Computer Applications (BCA)
Subject: BCSL 44 - Statistical Techniques Lab
Session: January 2027 - December 2027
Language: ENGLISH
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Product Information
| Course Name | Bachelor of Computer Applications |
| Course Code | BCA |
| Subject Code | BCSL 44 |
| Subject | Statistical Techniques Lab |
| Programme | BACHELOR DEGREE PROGRAMMES Courses |
| Language | ENGLISH |
| Material Type | Solved Assignment – Soft Copy / PDF |
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