# Introduction to Statistics

• Parameter: A parameter is a number that is a property of the population.
• Statistic: A numerical characteristic of the data. A statistic estimates the corresponding population parameter. For example, the average number of contribution to the course’s forum for this term is an estimate for the average number of contributions in all future terms (parameter).
• Population: (The total number of people during survey) The collection, or set, of all individuals, objects, or measurements whose properties are being studied.
• Sample: (The selected people for study) A portion of the population understudy. A sample is representative if it characterises the population being studied.

# Week 4

• Probability: (no. of favourable outcomes by no. of possible outcomes)
• Cumulative Probability:
• Probability Distribution
• Binomial Distribution
• Random variables: (possible outcomes of probability) a set of possible values from a random experiment.

# Week 6

• ကြားထဲက probability ကို (သို့) proportion ကို ရှာခိုင်းရင် `p` ကို အသုံးပြုတယ်။
• ကြားထဲက percentage မေးရင် (သို့) percentile နဲ့ တွက်ရမယ်ဆိုရင်`q` ကို အသုံးပြုတယ်။

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