Adam recorded the number of flower blooms on each of his ten rose bushes. 9, 10, 4, 12, 15, 17, 18, 10, 12, 13 If he combined th
e number of blooms into one data set, which box plot correctly displays the data? A) A B) B C) C D) D
2 answers:
Answer:
<u>The box plot that correctly displays the data is A.</u>
Correct statement, question and graph:
Adam recorded the number of flower blooms on each of his ten rose bushes.
9, 10, 4, 12, 15, 17, 18, 10, 12, 13
If he combined the number of blooms into one data set, which box plot correctly displays the data?
A)
B)
C)
D)
Source:
Previous question that can be found at brainly
Step-by-step explanation:
1. Let's order the data from smallest to largest.
4, 9, 10, 10, 12, 12, 13, 15, 17, 18
2. Let's find the median, this way:
Median = (5th number + 6th number)/2
Median = 12 + 12/2 = 24/2 = 12
3. Let's find out the quartiles.
The first quartile is the median of the data points to the left of the median.
4, 9, 10, 10, 12
Q₁ = 10
The third quartile is the median of the data points to the right of the median.
12, 13, 15, 17, 18
Q₃ = 15
<u>The box plot that correctly displays Q₁, median and Q₃ is box plot A.</u>
- In Box B, Q₁ = 9, median = 10 and Q₃ = 14
- In Box C, Q₁ = 9, median = 10 and Q₃ = 12 with values from 6 to 12
- In Box D, Q₁ = 5, median = 9 and Q₃ = 14
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Answer:
The conditions for use of the normal model to represent the distribution of sample proportion are not met. He should increase the sample size until the conditions are met.
If the test is done anyway, the null hypothesis failed to be rejected.
The conclusion is taht there is not enough evidence to support the claim that the percentage is lower in this district.
Step-by-step explanation:
The conditions for use of the normal model to represent the distribution of sample proportion are not met, as the affirmative responses are less than 10.
If the test of hypothesis is done as if the conditiones were met, we know that the claim is that the percentage is lower in this district.
Then, the null and alternative hypothesis are:
The significance level is 0.05.
The sample has a size n=80.
The sample proportion is p=0.1.
The standard error of the proportion is:
Then, we can calculate the z-statistic as:
This test is a left-tailed test, so the P-value for this test is calculated as:
As the P-value (0.057) is greater than the significance level (0.05), the effect is not significant.
The null hypothesis failed to be rejected.
There is not enough evidence to support the claim that the percentage is lower in this district.
Answer:
Step-by-step explanation:
so first we need to find the height so by splitting the isosceles triangle into two right-angled triangles and then applying Pythagoras' Theorem to one of them.
We now know the height of the triangle and can use this to go back and find the area of the isosceles triangle.
area of triangle = x base x height
area of triangle = x 10 x 12
area of triangle = 60