Scientists Estimate the Number of Genes in the Human Genome

question 88

Multiple Choice

Scientists estimate the number of genes in the human genome to be between _______ and _______.

• A) 44; 46
• B) 500; 5000
• C) 20,000; 25,000
• D) 1 million; 2 million
• E) 50 million; 100 million

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Definitions:

Interval Variables

Interval variables are a type of quantitative variable that have ordered values with consistent differences but no true zero point, such as temperature in Celsius.

T-Table Values

Values in a table that represent critical values of the t-distribution used in hypothesis testing, dependent on the desired significance level and degrees of freedom.

Expected Value

The weighted average of all possible values that a random variable can take on, with the weights being the probabilities of each outcome.

Simple Linear Regression

A method for modeling the relationship between a single independent variable and a dependent variable by fitting a linear equation to observed data.