A study of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology online group, and 717 surveys were returned. (Otology relates to the ear and hearing.) What percentage of the 5000 surveys were returned? Does that response rate appear to be low? general, what is a problem with a very low response rate? Of the 5000 surveys, % were returned. This response rate to be low. (Round to the nearest whole number as needed.) In general, what is a problem with a very low response rate? O A. It creates a serious potential for getting a biased sample that consists of those with a special interest in the topic. O B. It creates a serious potential for confounding which creates a serious potential for erroneous conclusions. OC. It indicates a lack of blinding which creates a serious potential for getting a biased sample. O D. It does not allow for sufficient replication to produce a random sample.

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.