Answer:
A pronoun must match its antecedent in number. In other words, if the antecedent is plural, the pronoun must be plural, and if the antecedent is singular, the pronoun must be singular.
Explanation:
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The standard deviation is used in conjunction with the mean to numerically describe distributions that are bell shaped.
The mean measures the center of the distribution, while the standard deviation measures the spread of the distribution.
<u>Explanation:</u>
The standard deviation is used for the purpose of measuring dispersion or the variation that occurs in the values of a data set that is taken into consideration. When the value of the standard deviation is less then this indicates that the data points lies near to the mean. When it is higher then it will be vice versa. Thus it measures the dispersion of data points with respect to the mean.
The expected value of anything can be termed as a mean. It is the thing that is acts as a center of distribution of all data points. Mean is the center of distribution whereas the standard deviation measures the dispersion of all the data points with respect to that of the mean.
-segregation and Jim Crow laws became prominent during this time
-for a while, southern states refused to adhere to the 15th amendment until it was ratified to state that all states must adhere to the amendment
- There was a tax on polls
- There was a literacy test they must pass in order to vote
Answer:Most early civilizations developed in river valleys because they had a way to water there crops or plants, and give water to there animals. They also needed the water to drink and keep the soil fertile.
Explanation: