In the 2000 presidential election, three candidates split the vote as follows. Bush 47.9% Gore 48.4% Nader 2.7% We will consider a vote for Al Gore a "success." We can look back and select a random sample of 50 voters from the 2000 election, and count the number of those who voted for Gore. Suppose, in that sample, that 23 of the 50 (46%) voted for Gore. Which of the following is correct? The numbers 50 and 23 are statistics, and the number 0.484 is a parameter. The numbers 0.46 and 0.484 are statistics. The numbers 23 and 0.46 are statistics, and the number 0.484 is a parameter.
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.
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