What a data-driven problem is

Name:

Date:

Class:

Quick Questions

Shade in the A or B circle for each question.

1. A school canteen wants to keep a record of every student's lunch order each day. Is this a data-driven problem?

A Yes - the solution must collect and store order records

B No - lunch orders are not data

2. Which statement best describes a data-driven problem?

A Its solution depends only on choosing a colourful interface

B Its solution depends on collecting, storing, processing and presenting data

3. A netball club needs to work out each player's average goals per game and show it in a report. Is this data-driven?

A No - reports never involve data

B Yes - data must be processed and presented as a report

4. A student wants an app that only displays a countdown timer with fixed text and no saved information. Is this a data-driven problem?

A No - it needs no collected, stored or analysed data

B Yes - every app is a data-driven problem

5. Which problem is data-driven?

A Tracking library book loans and overdue returns

B Drawing a fixed poster with no changing information

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left column		Right column
1Problem: store student marks and list the top scorers		AA data-driven problem: it needs stored records that are processed and presented
2Problem: report weekly canteen sales totals to the manager		BProblem: keep a library record of each book and who borrowed it
3A problem that needs stored records is data-driven because the solution must collect and keep data		CProblem: work out how to arrange desks so everyone can see the board
4A problem that needs no data is not data-driven		DAnalysing and reporting data is part of being data-driven. A problem does not need stored records to qualify.
5A problem is data-driven if it uses a computer		EA data-driven problem: it needs data analysed and reported
6A problem that only needs data analysed and reported is not data-driven		FUsing a computer does not make a problem data-driven. It is data-driven only when the solution depends on collecting, storing, processing and presenting data.

Definitions

data-driven problem

Fill in the Blanks

Complete each line of code by filling in the missing parts.

problem ← "keep records of club members" dataDriven ← ____

problem ← "pick a colour for my wall" dataDriven ← _____

_____ mark add mark to marks print average(marks)

average ← sum(marks) / length(marks) _____ average

members ← array of 10 names input name members[1] ← ____

Spot the Error

Shade in the letter of the line that contains an error.

Question 1

A input product

B input qty

C delete product, qty from stock

D print "Record saved"

Question 2

A input total

B input count

C average <- total * count

D print average

Question 3

A total <- 0

B for i from 1 to 5

C input mark

D total <- mark

E print total

Question 4

A needsData <- false

B problem <- "Keep student records"

C if needsData = true then

D print "Data-driven"

E end if

Question 5

A problem <- "Print a hello card"

B needsData <- true

C if needsData = false then

D print "Not data-driven"

E end if

Answer Key

What a data-driven problem is

Section A: Quick Questions

A — Yes - the solution must collect and store order records

B — Its solution depends on collecting, storing, processing and presenting data

B — Yes - data must be processed and presented as a report

A — No - it needs no collected, stored or analysed data

A — Tracking library book loans and overdue returns

Section B: Match the Pairs

Problem: store student marks and list the top scorers → A data-driven problem: it needs stored records that are processed and presented

Problem: report weekly canteen sales totals to the manager → A data-driven problem: it needs data analysed and reported

A problem that needs stored records is data-driven because the solution must collect and keep data → Problem: keep a library record of each book and who borrowed it

A problem that needs no data is not data-driven → Problem: work out how to arrange desks so everyone can see the board

A problem is data-driven if it uses a computer → Using a computer does not make a problem data-driven. It is data-driven only when the solution depends on collecting, storing, processing and presenting data.

A problem that only needs data analysed and reported is not data-driven → Analysing and reporting data is part of being data-driven. A problem does not need stored records to qualify.

Section C: Definitions

data-driven problem — A problem whose solution depends on collecting, storing, processing and presenting data, such as keeping records or reporting results. Problems needing no data are not data-driven.

Section D: Fill in the Blanks

problem ← "keep records of club members"
dataDriven ← true

problem ← "pick a colour for my wall"
dataDriven ← false

input mark
add mark to marks
print average(marks)

average ← sum(marks) / length(marks)
print average

members ← array of 10 names
input name
members[1] ← name

Section E: Spot the Error

C — A problem that needs stored records must save the data it collects. The line should be: store product, qty in stock.

C — Analysing data to report an average means dividing the total by the count, not multiplying. It should be: average <- total / count.

D — Processing the data means adding each mark to the running total. Replacing total with mark loses the earlier marks. It should be: total <- total + mark.

A — Keeping student records depends on collecting and storing data, so the problem is data-driven. needsData should be true.

B — Printing a fixed hello card does not need any data collected, stored or processed, so needsData should be false.