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WAEC REVISION – Statistics and Probability

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Probability is a numerical description of how likely an event is to occur or how likely it is that a proposition is true. Probability is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility and 1 indicates certainty.

In this topic, we cover the following: Bar charts and pie charts, experimental probability, theoretical probability, combined probability, outcome tables and tree diagrams and addition & multiplication laws of probability. At the end of this topic, students should understand the following among other things:

  • Recall previous knowledge to use the language of probability, including applications to set language, to describe and evaluate events involving chance,
  • Define and use experimental probabilities to estimate problems involving chance,
  • Define and use theoretical probabilities to calculate problems involving chance,
  • Solve problems involving combined probabilities,
  • Illustrates probability spaces by means of outcome tables, tree diagrams, Venn diagrams, and use them to solve probability problems,
  • Solve mathematically problems that relate statistics to probability such as drawing histogram of a distribution, calculating mean mass and stating modal class etc.,
  • Construct a cumulative frequency table and use ogive to determine percentile,
  • Solve complex examination probability questions.

 Again, a student should understand

  • tables, class intervals, histograms and frequency polygons,
  • Apply previous knowledge to what is learn here to calculate, illustrate and interpret the mean, median, mode of grouped data and standard deviation of a set of discrete data,
  • Construct and draw cumulative frequency tables curves and use them to deduce quantities and medians,
  • Interpret the variation or spread of a data set in terms of its standard deviation,
  • Select and use a working mean to simply calculation and calculate the variance of a given data set,
1
SS3-WAEC REVISION 1- LESSON 1A-PIE CHART
28 Minutes
2
SS3-WAEC REVISION 1- LESSON 1B-PIE CHART
17 Minutes
3
SS3-WAEC REVISION 2- LESSON 1A-MEASURE OF DISPERSION
26 Minutes
4
SS3-WAEC REVISION 2- LESSON 1B-MEASURE OF DISPERSION
18 Minutes
5
SS3-WAEC REVISION 3- LESSON 1A-PROBABILITY
37 Minutes
6
SS3-WAEC REVISION 3- LESSON 1B-PROBABILITY
8 Minutes
7
SS3-WAEC REVISION 3- LESSON 2A-PROBABILITY
20 Minutes
8
SS3-WAEC-REVISION 3- LESSON 2B-PROBABILITY
23 Minutes
9
SS3-WAEC REVISION 7- LESSON 1A-VARIATION
28 Minutes
10
SS3-WAEC REVISION 7- LESSON 1B-VARIATION
8 Minutes

REVISION LESSON-SOLVED EXAM QUESTIONS (OBJ)

1
STATISTICS & PROBABILITY OBJECTIVE 1
1 Minute
2
STATISTICS & PROBABILITY OBJECTIVE 2
1 Minute
3
STATISTICS & PROBABILITY OBJECTIVE 3
1 Minute
4
STATISTICS & PROBABILITY OBJECTIVE 4
1 Minute
5
STATISTICS & PROBABILITY OBJECTIVE 5
2 Minutes
6
STATISTICS & PROBABILITY OBJECTIVE 6
1 Minute
7
STATISTICS & PROBABILITY OBJECTIVE 7
2 Minutes
8
STATISTICS & PROBABILITY OBJECTIVE 8
2
9
STATISTICS & PROBABILITY OBJECTIVE 9
3 Minutes
10
STATISTICS & PROBABILITY OBJECTIVE 10
1 Minute
11
STATISTICS & PROBABILITY OBJECTIVE 11
2 Minutes
12
STATISTICS & PROBABILITY OBJECTIVE 12
2 Minutes
13
STATISTICS & PROBABILITY OBJECTIVE 13
2 Minutes
14
STATISTICS & PROBABILITY OBJECTIVE 14
1 Minute
15
STATISTICS & PROBABILITY OBJECTIVE 15
1 Minute
16
STATISTICS & PROBABILITY OBJECTIVE 16
1 Minute
17
STATISTICS & PROBABILITY OBJECTIVE 17
1 Minute
18
STATISTICS & PROBABILITY OBJECTIVE 18
1 Minute
19
STATISTICS & PROBABILITY OBJECTIVE 19
3 Minutes
20
STATISTICS & PROBABILITY OBJECTIVE 20
1 Minute
21
STATISTICS & PROBABILITY OBJECTIVE 21
1 Minute
22
STATISTICS & PROBABILITY OBJECTIVE 22
2 Minutes
23
STATISTICS & PROBABILITY OBJECTIVE 23
1 Minute
24
STATISTICS & PROBABILITY OBJECTIVE 24
1 Minute
25
STATISTICS & PROBABILITY OBJECTIVE 25
2 Minutes
26
STATISTICS & PROBABILITY OBJECTIVE 26
1 Minute
27
STATISTICS & PROBABILITY OBJECTIVE 27
1 Minute
28
STATISTICS & PROBABILITY OBJECTIVE 28
1 Minutes
29
STATISTICS & PROBABILITY OBJECTIVE 29
2 Minutes
30
STATISTICS & PROBABILITY OBJECTIVE 30
1 Minute

REVISION LESSON-SOLVED EXAM QUESTIONS (THEORY)

1
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 251)
4 Minutes
2
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 252)
4 Minutes
3
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 253)
9 Minutes
4
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 254)
12 Minutes
5
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 255)
12 Minutes
6
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 256)
9 Minutes
7
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 257)
16 Minutes
8
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 258)
4 Minutes
9
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 259)
4 Minutes
10
Topic 14- STATISTICS- (MEASURE OF DISPERSION)-(Theory Question 260)
18 Minutes
11
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 262)
6 Minutes
12
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 263)
9 Minutes
13
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 264)
6 Minutes
14
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 265)
10 Minutes
15
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 266)
4 Minutes
16
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 267)
6 Minutes
17
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 268)
5 Minutes
18
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 269)
8 Minutes
19
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 270)
3 Minutes
20
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 271)
11 Minutes
21
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 272)
10 Minutes
22
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 273)
8 Minutes
23
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 274)
15 Minutes
24
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 275)
8 Minutes
25
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 276)
10 Minutes
26
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 277)
4 Minutes
27
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 278)
6 Minutes
28
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 279)
3 Minutes
29
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 280)
3 Minutes
30
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 281)
9 Minutes
31
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 282)
15 Minutes
32
Topic 15- STATISTICS & PROBABILITIES-(Theory Question 283)
7 Minutes

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