Hi!
x² + 7x + 9 = 3
x² + 7x + 9 - 3 = 0
<u>x²</u><u> </u><u>+</u><u> </u><u>7</u><u>x</u><u> </u><u>+</u><u> </u><u>6</u><u> </u><u>=</u><u> </u><u>0</u>
Answer:
Adults 882
teenagers 252
children 441
Step-by-step explanation:
56% of 1575
56/100*1575
16% of 1575
16/*1575
28% of 1575
28/100*1575
The statements about least squares regression analysis is true are I and III.
<h3>What is meant by regression analysis?</h3>
The statistical technique of regression analysis demonstrates the link between two or more variables. The method evaluates the relationship between a dependent variable and independent factors, and is frequently presented as a graph.
You can anticipate the effects of the independent variable on the dependent one by creating a regression analysis. For instance, we can claim that a linear regression model can adequately account for age and height.
Here,
From the given information in the question:
The statements I and III are correct.
And the statements are:
A point with a large residual is an outlier and the removal of an influential point from the data set could change the value of the correlation coefficient.
So, the statements I and III are correct for the given information in the question.
To know more about regression analysis, visit:
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Answer:
A. The CV is a relative measure of risk/return.
Step-by-step explanation:
The coefficient of variation of any investment, is used to measure and calculate the total risk of that investment with respect to its per unit expected return rate.
We can also define the coefficient of variation as a ratio of standard deviation to the expected value of an investment.
The answer is - A. The CV is a relative measure of risk/return.
Answer:
a=6cm
Step-by-step explanation:
