IGNOU BCSL 44 SOLVED ASSIGNMENT
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BCSL 44: Statistical Techniques Lab
| Title Name | IGNOU BCSL 44 SOLVED ASSIGNMENT |
|---|---|
| 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 | 2025 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | BCSL 44/Assignment-1/2025 2026 |
| Product Description | Assignment of BCA (Bachelor of Computer Applications) 2025 2026. Latest BCSL-044 2026 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam). Semester Wise January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam). July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
| Format | Ready-to-Print PDF (.soft copy) |
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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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