1. Determine the 15h percentile of the waiting times of the sample of café customers presented in the table below. Interpret the results. 8 8 9 9 9 9 7 9 10 10 10 11 12 14 14 15 2. An investor in the telecommunications industry has been provided with some questionable information in a prospectus regarding market potential in New Zealand, particularly about potentially over-optimistic statements made about the average monthly download usage for broadband connections. The investor obtains data from recent reports on usage from a variety of sources. The average monthly data usage by a household with broadband connections listed in a random sample of 12 such reports is as stated as follows, sorted by usage. Interpret the results. Average monthly data usage (GB) 100 110 120 130 140 150 160 160 170 180 190 190 Determine the first, second, and third quartiles for these data.
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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