What is descriptive statistics and inferential statistics?

1 answer:

3 0

Descriptive statistics uses data to provide descriptions of populations. Often this data is represented in the form of tables, charts, graphs, or even just numbers. Here, we organize (visual representation) and analyze data to describe a population.

Inferential statistics utilizes data in such a way that allows us to make predictions, generalizations, and inferences about a population from samples taken. Here, we can compare, predict, and test data in order learn about a population.

Hope this helps.

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The coefficient of the third term in the expansion of the binomial (3x2 + 2y3)4 is_________

user100 [1]

A binomial expansion is given by (a + b)^n = ∑nCk * a^(n - k) * b^k, k = 0, 1, 2 , . . . n
The third term is the term for k = 2.
The third term = 4C2 * (3x^2)^(4 - 2) * (2y^3)^2 = 6 * 9x^4 * 4y^6 = 216x^4y^6

Therefore, the coefficient of the third term is 216.

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Which is the most specific taxonomic level in the classification system above?

scoray [572]

Answer:

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Step-by-step explanation:

It is the most specific because homo, hominidae and O sapiens fall under the catogory of primates

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