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Begin met de lessen Numerical Reasoning Course: Lessons: ongeveer 180 minuten leestijd. Elke testvraag wordt in de lessen behandeld.
Vraag 1 van 18
The table shows monthly sales by region. Which region had the highest sales in March? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: B. East
Read down the Mar column: East $46,500, North $45,200, South $44,900, West $33,600. East is highest.
Vraag 2 van 18
The table shows monthly sales by region. What were total North sales from January to April? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: D. $175,400
Add the North row: 42,500 + 39,800 + 45,200 + 47,900 = $175,400.
Vraag 3 van 18
The table shows monthly sales by region. In January, what was the difference between the highest and lowest regional sales? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: C. $21,900
Highest in January = East $51,300; lowest = West $29,400. Difference = $21,900.
Vraag 4 van 18
The table shows monthly sales by region. What was the mean (average) monthly sales figure for the West region? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: A. $32,500
Add the four months and divide by 4: $130,000 ÷ 4 = $32,500.
Vraag 5 van 18
The table shows monthly sales by region. Which region's sales went up every month from January to April? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: A. West
West rose each month (29,400 → 31,200 → 33,600 → 35,800). North and East fell in February, and South fell in April.
Vraag 6 van 18
The table shows monthly sales by region. In which month were the combined sales of all four regions highest? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: B. April
Add each month's column: Jan $161,400, Feb $161,300, Mar $170,200, Apr $179,600. April has the highest total.
Vraag 7 van 18
The table shows monthly sales by region. What was the percentage change in East sales from January to April, to one decimal place? Gewest Jan Feb Mar Apr North $42,500 $39,800 $45,200 $47,900 South $38,200 $41,600 $44,900 $43,100 East $51,300 $48,700 $46,500 $52,800 West $29,400 $31,200 $33,600 $35,800
Toon antwoord Antwoord: B. 2.9%
Change = 52,800 − 51,300 = 1,500. 1,500 ÷ 51,300 × 100 = 2.9%.
Vraag 8 van 18
The table shows answers to a staff survey statement: "I have the tools I need." What percentage agreed or strongly agreed? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Toon antwoord Antwoord: D. 65%
Total answers = 320. Agreed or strongly agreed = 72 + 136 = 208. 208 ÷ 320 × 100 = 65%.
Vraag 9 van 18
The table shows answers to a staff survey statement: "I have the tools I need." What percentage of staff gave a Neutral answer? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Toon antwoord Antwoord: C. 17.5%
56 ÷ 320 × 100 = 17.5%.
Vraag 10 van 18
The table shows answers to a staff survey statement: "I have the tools I need." What is the ratio of staff who agreed (agree + strongly agree) to staff who disagreed (disagree + strongly disagree), in simplest form? Answer Number of staff Strongly agree 72 Agree 136 Neutral 56 Disagree 40 Strongly disagree 16
Toon antwoord Antwoord: D. 26:7
Agreed = 208; disagreed = 56. Divide both by 8: 208:56 = 26:7. 17:5 is 136:40 simplified, which leaves out the "strongly" groups.
Vraag 11 van 18
A line chart shows website visits per week. Its data are in the table. In which week was the increase from the week before the largest? Week Visits Week 1 1,240 Week 2 1,310 Week 3 1,580 Week 4 1,520 Week 5 1,890 Week 6 1,960
Toon antwoord Antwoord: A. Week 5
Changes from the week before: Week 2 +70, Week 3 +270, Week 4 −60, Week 5 +370, Week 6 +70. Week 5 rose most (+370). Week 6 has the most visits but only rose by 70.
Vraag 12 van 18
A pie chart shows how a $240,000 yearly budget is split. Its data are in the table. How much is spent on training? Budget item Share of budget Salaries 62% Rent 15% Equipment 9% Training 6% Other 8%
Toon antwoord Antwoord: A. $14,400
6% of $240,000 = 0.06 × 240,000 = $14,400.
Vraag 13 van 18
A pie chart shows how a $240,000 yearly budget is split. Its data are in the table. How much more is spent on salaries than on rent? Budget item Share of budget Salaries 62% Rent 15% Equipment 9% Training 6% Other 8%
Toon antwoord Antwoord: B. $112,800
Salaries − rent = 62% − 15% = 47% of the budget. 0.47 × 240,000 = $112,800.
Vraag 14 van 18
Which type of chart is best for showing how monthly sales changed over a year? Toon antwoord Antwoord: A. Line chart
Line charts are used for time series, such as sales month by month.
Vraag 15 van 18
Which type of chart is best for showing how one total budget is divided into parts? Toon antwoord Antwoord: B. Pie chart
A pie chart shows the parts (components) that make up a whole.
Vraag 16 van 18
Seven staff worked these overtime hours last month: 4, 7, 12, 3, 9, 30, 6. What is the median? Toon antwoord Antwoord: D. 7 hours
Put the values in order: 3, 4, 6, 7, 9, 12, 30. The middle (4th) value is 7. The mean would be 10.1.
Vraag 17 van 18
Seven staff worked these overtime hours last month: 4, 7, 12, 3, 9, 30, 6. Why might a manager report the median instead of the mean? Toon antwoord Antwoord: C. One very high value (30) pulls the mean up
The median is less affected by extreme values. Here the single 30-hour value raises the mean to 10.1, while the median stays at 7.
Vraag 18 van 18
The table shows how many shifts staff worked last week. What was the mean number of shifts per staff member? Shifts worked Number of staff 3 4 4 10 5 6
Toon antwoord Antwoord: C. 4.1
Weight each value by how many staff: 3×4 + 4×10 + 5×6 = 82 shifts. Staff = 20. Mean = 82 ÷ 20 = 4.1.
Toetsenbord: 1–4 om te antwoorden, Enter voor de volgende vraag.