Target population - The group we wish to investigate, Representative sampling - The sample that represents the target sample, Opportunity sample - Convenient, Random sample - Lottery method, Snowball sample - Current Ps recruit more, Self-selected sample - Advertise and people chose, Stratified sample - Target population subgroup proportions, Systematic sample - Numerical interval, Volunteer bias - Ps who self-select are more motivated,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?