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Computer Science · Semester-wise

Data Science MCQs with answers & notes

30 free Data Science quizzes with 197 MCQs and answers, semester-wise and by difficulty, plus student notes from universities across Pakistan. Timed, marked instantly, with explanations.

30

practice quizzes

197

MCQs with answers

0

approved notes

0

students in the room

Semester-wise

Data Science quizzes by semester.

Easy, medium and hard sets for each stage. Timed, full-screen, marked instantly — the answer and explanation for every question appear after you submit.

StageQuizzesMCQs
Data Science — All semesters 2 24
Data Science — Semester 1 4 24
Data Science — Semester 2 4 26
Data Science — Semester 3 4 26
Data Science — Semester 4 4 26
Data Science — Semester 5 3 18
Data Science — Semester 6 3 18
Data Science — Semester 7 3 18
Data Science — Semester 8 3 17

Try a few

Sample Data Science MCQs.

Tap “Show answer” to check yourself. The full timed quizzes are inside the course room.

  1. Q1.The most frequent value in a data set is the

    1. AMean
    2. BMedian
    3. CMode
    4. DVariance
    Show answer

    Answer: C. Mode

  2. Q2.Which file format stores tabular data as comma-separated text?

    1. APNG
    2. BCSV
    3. CMP3
    4. DEXE
    Show answer

    Answer: B. CSV

  3. Q3.What does len([3, 5, 7]) return in Python?

    1. A2
    2. B3
    3. C7
    4. D15
    Show answer

    Answer: B. 3

  4. Q4.Which Python type stores key-value pairs?

    1. Alist
    2. Btuple
    3. Cdict
    4. Dset
    Show answer

    Answer: C. dict

  5. Q5.The middle value of sorted data is the

    1. AMean
    2. BMedian
    3. CMode
    4. DRange
    Show answer

    Answer: B. Median

  6. Q6.Which SQL statement adds new rows?

    1. ASELECT
    2. BINSERT
    3. CALTER
    4. DDROP
    Show answer

    Answer: B. INSERT

FAQ

About Data Science on Campus Connect.

Where can I find Data Science MCQs with answers?

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Campus Connect has 30 free Data Science practice quizzes with 197 MCQs, organised semester-wise (All semesters, Semester 1, Semester 2, Semester 3, Semester 4, Semester 5, Semester 6, Semester 7, Semester 8) and by difficulty. Answers and explanations are shown after you submit each quiz.

Are the Data Science MCQs free?

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Yes. All practice quizzes, course rooms and approved notes are free for verified students.

Can I download Data Science notes?

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Yes. Students upload notes to the Data Science room and a moderator checks each one before it appears. Sharing good notes earns you merit points.

Are the quizzes semester-wise?

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Yes. Data Science quizzes are grouped semester-wise so you can practise exactly what is in your current semester, with easy, medium and hard sets.

How are the quizzes timed and marked?

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Each quiz has a server-side timer and runs full-screen. MCQs are marked instantly, and you can see the correct answer and the explanation for every question once you submit.

How do I join the Data Science room?

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Create a free student account, upload your student ID card for verification, then choose Data Science in your courses. Its room, notes and quizzes open as soon as your account is approved.

Which other Computer Science subjects are on Campus Connect?

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Computer Science, Software Engineering, Artificial Intelligence, Cyber Security, Information Technology.

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