The following are the first quarter and second quarter grades of randomly selected students in Mathematics. During these times, their first quarter teacher was changed to teach the second quarter lessons. Assuming that grades in Mathematics are normally distributed, at 1% level of significance, investigate whether quarterly change in teacher can show improvement on Mathematics grades. 85 87 84 88 1st Q 91 86 85 82 86 82 86 82 85 2nd Q 84 91 88 3. Using the same information in number (2), how significant is the relationship between the grades in the first quarter and second quarter using ranking? Use a = 0.01. OPTIONAL: You may want to try to solve these problems using the statistical procedure that you selected. Let your Statistics and Probability teacher see your work and let your Research teacher check your work.

Q: 6+w=4

A: The give equation is 6 + w = 4To find the value of w.

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A:

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Q: -2d+1=9

A:

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Q: xp= /3-x =dx

A:

Q: x+y=6 x-y=2

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Q: How do I find numbers 2 and 4?

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Q: 30 = 6 + z z =

A: Given : 30  = 6+z

Q: 43a+10-26a=27

A: To solve: 43a+10-26a=27

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.