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Alex73 [517]
3 years ago
9

100 POINTS HELP! THIS IS A PROJECT. BUT AN ANSWER TOMORROW OR TODAY IS OKAY!

Mathematics
2 answers:
Talja [164]3 years ago
5 0

Answer:

<h3>The median is the middle. You add and divide for the mean. The mode is the one that appears the most. And the range is the difference in between. For example, the median is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average. If there is an odd amount of numbers, the median value is the number that is in the middle, with the same amount of numbers below and above. The mean is the average of the numbers.  It is easy to calculate: add up all the numbers, then divide by how many numbers there are.  In other words it is the sum divided by the count. The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode! The difference between the highest and the lowest values in a set. Interval, also called range, a set of real numbers that includes all numbers between any two numbers in the set.</h3>

UNO [17]3 years ago
4 0

Answer: We will be working with the numbers 1-4, you can change the numbers to anything, just change the math.

The mean is the "average" of a set of numbers. Add up ALL the numbers, and then divide by how many numbers there are.

Ex. 1+2+3+4 then, 10/4 =2.5

The mode is the number that occurs most frequently in a set of numbers.

Ex. 1, 2, 2, 2, 3, 4, 2, 2, 4, : The mode would be 2.

The range is the difference between the smallest and highest numbers.

Ex. 1, 2, 3, 4, ,3, 2, 3, 4, : Put all the numbers in order, then subtract highest from lowest.

1,2,2,3,3,3,4,4

4-3=1 The range would be 1.

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We learned in Chapter 13, Exercise 35 that the Paralyzed Veterans of America recently sent letters to a random sample of 100,000
Olegator [25]

Answer:

Step-by-step explanation:

given that the Paralyzed Veterans of America recently sent letters to a random sample of 100,000 potential donors and received 4781 donations

H_0: p = 0.05\\H_a: p

(left tailed test)

Sample proportion = \frac{4781}{100000} \\=0.04781

p difference = -0.00219

Assuming H0 to be true, std error of proportion

=\sqrt{\frac{pq}{n} } \\=0.00158

Test statistic Z = p diff/std error = -1.38641

p value = 0.0828

since p value >0.05 our significance level

we accept null hypothesis

There is no statistical evidence of a real drop in the contribution rate.

4 0
4 years ago
7x + 10 - 18 + 2x = 55
Serga [27]

Answer:

7

Step-by-step explanation:

add the like terms,

9x - 8 = 55

9x = 63

x = 63 ÷ 9

x = 7

5 0
3 years ago
1 16) Line x is parallel to line y. What is the measure of angle 6? HELP PLEEEEEASE
Setler [38]

Answer:

\angle 6 = 93

Step-by-step explanation:

\angle 5 = 87 by properties of parallel lines

\angle 5 + \angle 6 = 180 because they form a straight angle

87 + \angle 6 = 180\\\\\angle 6 = 180-87\\\\\angle 6 = 180 - 80 - 7\\\\\angle 6 = 100 - 7\\\\\angle 6 = 93 \longleftarrow

5 0
3 years ago
Three lines intersect at a common point in the diagram below. Find the values of x, y, and z using equations.
kipiarov [429]

Answer:

x=62

z=47

y=40

Step-by-step explanation:

Opposite angles created by two lines are equal.

x=62

31+z=78, z=47

Angles along a straight line add to 180.

x+y+z+21=180

62+y+47+31=180

y=180-140=40

7 0
3 years ago
Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.47 with a standard deviation
Dimas [21]

Answer:

Step-by-step explanation:

Your answer

94.5 % - 106.5 %

Mark it as Brainlist answer. Follow me.

8 0
3 years ago
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