1
Q
How can grouped continous data be represented ?
A
» In a histrogram
2
Q
How can you calculate the height of each bar?
A
» Area of bar = k x frequency
3
Q
What is the formula to calcuate frequency density?
A
» Frequency/class width
4
Q
How can you make a frequency polygon?
A
» Joining the middle of the top of each bar in a histrogram
A level maths - Year 1 Stats
flashcards
Decks in class (28)
# Cards
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1.1 Populations and samples11
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1.2 Sampling16
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1.3 Non-random sampling11
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1.4 Types of data8
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1.5 The large data set28
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2.1 Measures of central tendency11
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2.2 Other measures of location9
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2.3 Measures of spread3
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2.4 Variance and standard deviation6
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2.5 Coding1
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3.1 Outliers4
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3.2 Box plots1
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3.3 Cumulative frequency1
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3.4 Histrograms4
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3.5 Comparing data1
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4.1 Correlation7
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4.2 Linear regression9
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5.1 Calculating probabilities3
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5.2 Venn diagrams2
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5.3 Mutually exclusive and independent events5
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5.4 Tree diagrams1
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6.1 Probability distributons18
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6.2 The Binomial distribution11
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6.3 Cumulative probabilities8
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7.1 Hypothesis testing12
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7.2 Finding critical values7
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7.3 One - tailed tests0
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7.4 Two - tailed tests0
