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Gennadij [26K]
3 years ago
13

The

Mathematics
1 answer:
Yakvenalex [24]3 years ago
8 0
The median is nine (9). You add each number up, and then you divide by the amount of numbers you have. 
The mean is 9.83 according to my calculations. 
You might be interested in
What is the value of X^2-4y/2 if x=4 and y=-3
Dominik [7]

To solve this, we just need to plug in the numbers.

4^2-4*3/2

Now solve!

4^2-4*3/2

16-4*9

16-36

-20

There's your answer!


Any questions?


3 0
3 years ago
A survey of 132 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take
ddd [48]

Answer:

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

p+/-z√(p(1-p)/n)

Given that;

Proportion p = 66/132 = 0.50

Number of samples n = 132

Confidence level = 90%

z(at 90% confidence) = 1.645

Substituting the values we have;

0.50 +/- 1.645√(0.50(1-0.50)/132)

0.50 +/- 1.645√(0.001893939393)

0.50 +/- 0.071589436011

0.50 +/- 0.072

(0.428, 0.572)

The 90% confidence level estimate of the true population proportion of students who responded "yes" is (0.428, 0.572)

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

7 0
3 years ago
Please help me ASAP i only have 5 minutes left​
raketka [301]

Answer:

A.6,0,1,4

Step-by-step explanation:

3 0
3 years ago
Which expression would represent the cost of one CD, if the total cost for three of them is $362
Fiesta28 [93]

Answer:

One CD would've been 120.67

Someone correct me if I'm wring please

8 0
3 years ago
Consider the quadratic function f(x) = ax? + bx + 22. The equation of the axis of symmetry is
Triss [41]

Answer:

nnnnnnnjj

Step-by-step explanation:

5 0
3 years ago
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