(d) The company wants to conduct a statistical test to investigate whether there is an association between educational achievement and primary source for news for adults in the city. What is the name of the statistical test that should be used? What are the appropriate degrees of freedom for this test?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
This is for the kind expert who answered this Multiple part question. The parts needed to be answered are Part D and the appropriate Degrees of Freedom for this Test. Thank you:)
(d)
Chi-square independence test:
The chi-square is a non-parametric test which is used for comparing two categorical variables. The chi-square independence test helps in determining the association between categorical variables. It is used for determining whether the variables are related or not.
The variables educational achievement and primary source for news for adults in the city are categorical. The chi-square independence test can be used for determining association between these two variables using the expected frequencies.
Thus, the name of the statistical test used is chi-square independence test.
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