She did the right thing, by banning the computers and cellphones.
The first civilizations developed in North Africa, Middle East, and South and East Asia because of the advantages that this areas offered to the people inhabiting them. The biggest advantage were the big rivers with long and wide fertile plains beside them, which enabled the people to be involved in agriculture and produce big amounts of food and even reserves. Since the food problem was solved, they were able to concentrate on other things in their spare time and started to develop architecture, sciences, philosophy, writing systems...
Answer:
This is an example of:
B. lowering prices for customers.
Explanation:
<u>In a competitive market, it is common for companies to try and offer a cheaper product. In most situations, being cheaper means the product has more chances of attracting customers when compared to expensive ones. A way to make a cheaper product is by decreasing production costs using cheaper materials, as is mentioned in the question.</u> Of course, the product will have its price lowered, but its quality may also decrease with the use of a cheaper material. Anyway, the situation described is an example of lowering prices for customers.
The correct answer is option A. 1,18.
Linear regression is a method used to identify the trend Or similarity between two sets of data. All the given points of the data set are plotted and a straight line is drawn with the points. The line is called a line of regression.
F Test is a test that is used to check if the given line of regression is a good fit for the given data set or not. F ratio is the ratio obtained by dividing the two mean square values of the data set.
The numerator of the given regression is always 1
The denominator of the regression is given by n-2=20-2=18.
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60. An analysis of regression is used to test the significance of a linear regression equation based on a sample of n=20 individuals. What are the df values for the F-ratio?
a. 1, 18
b. 1, 19
c. 2, 18
d. 2, 19
Explanation:
Is this your test? Wow that is long
