This is an independent preparation course. It is not the official CAEC Mathematics test, is not affiliated with or endorsed by the CAEC Testing Service (Alberta Education and Childcare) or any province or territory, and does not award the Canadian Adult Education Credential. Practice scores here are feedback only, not official CAEC results.
Inizia dalle lezioni CAEC Mathematics Preparation: Lessons: circa 360 minuti di lettura. Ogni domanda del test è trattata nelle lezioni.
Domanda 1 di 17
The table shows the hours one employee worked last week. How many hours did they work in total? Day Hours worked Monday 7.5 Tuesday 8 Wednesday 6 Thursday 9.5 Friday 8
Mostra la risposta Risposta: B. 39
Add all five days: 7.5 + 8 + 6 + 9.5 + 8 = 39 hours.
Domanda 2 di 17
A learner's practice scores are 72, 85, 90, 64 and 89. What is the mean score? Mostra la risposta Risposta: A. 80
Mean = total ÷ number of values = 400 ÷ 5 = 80.
Domanda 3 di 17
A store sold shoes in these sizes today: 8, 9, 9, 10, 9, 11, 8, 9, 10. What is the mode? Mostra la risposta Risposta: B. 9
The mode is the value that appears most often. Size 9 appears 4 times.
Domanda 4 di 17
Six deliveries took 12, 15, 9, 20, 18 and 11 minutes. What is the median time? Mostra la risposta Risposta: C. 13.5 minutes
Sort first: 9, 11, 12, 15, 18, 20. With an even count, the median is the mean of the middle two: (12 + 15) ÷ 2 = 13.5.
Domanda 5 di 17
The low temperatures for five days were −12 °C, −5 °C, 3 °C, 8 °C and −2 °C. What is the range? Mostra la risposta Risposta: B. 20 °C
Range = highest − lowest = 8 − (−12) = 8 + 12 = 20 °C.
Domanda 6 di 17
Five homes on a street sold for $410,000, $425,000, $430,000, $445,000 and $1,900,000. Which measure best shows a typical price? Mostra la risposta Risposta: A. The median
The $1,900,000 sale is an outlier that pulls the mean up. The median ($430,000) is not affected by it.
Domanda 7 di 17
Five workers earn $16, $17, $17, $18 and $52 per hour. By how much is the mean wage higher than the median wage? Mostra la risposta Risposta: C. $7.00
Mean = 120 ÷ 5 = $24. Median = $17. The outlier ($52) makes the mean $7.00 higher.
Domanda 8 di 17
The table shows a security company's service calls. What was the percent increase from January to February? Month Service calls January 120 February 150 March 135 April 180
Mostra la risposta Risposta: D. 25%
Change = 150 − 120 = 30. Percent increase = 30 ÷ 120 × 100 = 25%. Always divide by the starting value.
Domanda 9 di 17
The table shows a security company's service calls. What was the mean number of calls per month? Month Service calls January 120 February 150 March 135 April 180
Mostra la risposta Risposta: B. 146.25
Total = 120 + 150 + 135 + 180 = 585. Mean = 585 ÷ 4 = 146.25 calls.
Domanda 10 di 17
A circle graph of a household budget is shown as this table. Take-home pay is $3,800 a month. How much goes to food? Categoria Share of monthly take-home pay Housing 35% Food 15% Transportation 12% Savings 10% Altro 28%
Mostra la risposta Risposta: C. $570.00
Food is 15%: 0.15 × $3,800 = $570.00.
Domanda 11 di 17
The table shows hours studied and test scores for six learners. What relationship does the data show? Learner Hours studied Score (%) A 2 52 B 4 61 C 5 66 D 7 74 E 9 83 F 10 88
Mostra la risposta Risposta: C. A positive relationship: more study hours go with higher scores
As hours go up, scores also go up. On a scatterplot the points would rise from left to right, which is a positive relationship.
Domanda 12 di 17
A histogram of employee ages is shown as this table. How many employees are 30 or older? Age group Number of employees 20–29 6 30–39 9 40–49 7 50–59 3
Mostra la risposta Risposta: A. 19
Add the groups from 30 up: 9 + 7 + 3 = 19.
Domanda 13 di 17
A bag holds 3 red, 5 blue and 2 green marbles. You pick one without looking. What is the probability it is blue? Mostra la risposta Risposta: B. 1/2
Probability = favourable ÷ total = 5 ÷ 10 = 1/2.
Domanda 14 di 17
You roll a fair six-sided die once. What is the probability of rolling a 2 or a 5? Mostra la risposta Risposta: C. 1/3
You cannot roll both at once, so the events are mutually exclusive. Add: 1/6 + 1/6 = 2/6 = 1/3.
Domanda 15 di 17
You flip a coin and roll a six-sided die. What is the probability of getting heads and a 6? Mostra la risposta Risposta: A. 1/12
The events are independent, so multiply: 1/2 × 1/6 = 1/12.
Domanda 16 di 17
A bus is late on 20% of days. Each day is independent. What is the probability it is late on both Monday and Tuesday? Mostra la risposta Risposta: A. 4%
Independent events: multiply. 0.20 × 0.20 = 0.04, which is 4%.
Domanda 17 di 17
A raffle sells 500 tickets and draws one winning ticket. You buy 4 tickets and your friend buys 6. What is the probability that one of you wins? Mostra la risposta Risposta: A. 2%
Only one ticket wins, so the events are mutually exclusive. Add: 4/500 + 6/500 = 10/500 = 2%.
Tastiera: 1–4 per rispondere, Invio per la domanda successiva.
Il test reale: 55% on each CAEC test
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