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Which sample is obtained by dividing the population into homogeneous groups and randomly selecting individuals from each group?
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How can you calculate migration?
Migration can be calculated by subtracting the number of individuals leaving a particular area from the number of individuals entering that area over a given time period. This can be done at various scales, such as national or regional levels, and can be measured using census data, surveys, or other population monitoring methods. Additionally, migration rates can be calculated by dividing the number of migrants by the population size and multiplying by 100 to obtain a percentage.
When dividing a population into subgroups so that a random sample from each subgroup can be collected?
simple random sampling
When dividing the number you are dividing by is called the?
Divisor
How dividing by decimal is different from dividing by whole number and how it is similar?
Dividing by decimal is different from dividing by whole number as you have to multiply by a number to remove the decimal.
Will the answer by negative if you are dividing by a negative variable?
If you are dividing a positive by a negative, yes. If you are dividing a negative by a negative, you will get a positive.
Is obtained by dividing the population into homogeneous groups and randomly selecting individuals from each group?
stratified sample
What is is obtained by dividing the population into homogeneous groups and randomly selecting individuals from each group.?
stratified sample
Is obtained by dividing the population into groups and selecting all individuals from within a random sample of the groups?
Cluster Sampling
Which sampling is obtained by dividing the population into groups and selecting all individuals from within a random sample of the groups?
It is called one-stage cluster sampling. If random samples are taken within the selected clusters then it is two-stage cluster sampling.
What two pieces of information do you need to figure population density?
To calculate population density, two pieces of information are needed: the total population of a specific area and the land area of that same area. By dividing the population by the land area, population density can be determined, usually expressed as the number of individuals per square unit (e.g., individuals per square mile or individuals per square kilometer).
What is calculated by dividing the population by its land area?
Population density is calculated by dividing the population of a region by its land area. This measurement helps to determine how crowded or sparsely populated an area is.
How do you population density?
Dividing the population by the area the population occupies gives population density.
What is the number of individuals per unit area?
The number of individuals per unit area is called population density. It is calculated by dividing the total number of individuals in a given area by the total land area of that region. Population density is often used to assess the level of crowding or competition within a population.
How do ecologists measure population density?
By taking a sample of the entire population.
Which best describes the number of people who die per one thousand individuals in a population per year?
The number of people who die per one thousand individuals in a population per year is referred to as the crude death rate. It is a measure of the mortality or death rate in a population and is calculated by dividing the number of deaths in a year by the population size and multiplying by 1000.
Population blank -The size of a population that occupies a specific area?
Population density is the size of a population that occupies a specific area. It is calculated by dividing the total population by the area they inhabit, usually expressed as individuals per square kilometer or square mile. It is a useful measure to understand how crowded or dispersed a population is in a given area.
What type of sampling uses a fair representation of the population?
Stratified sampling is a type of sampling that uses a fair representation of the population by dividing the population into different subgroups or strata and then selecting samples from each stratum in proportion to their size in the population. This method helps ensure that all groups in the population are adequately represented in the final sample.
