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vlada-n [284]
4 years ago
9

Determine whether the statement describes a descriptive or inferential statistic. A recent poll of 1971 home owners in West Virg

inia showed that the average price of a house in the U.S. is $319,000.
Mathematics
1 answer:
allsm [11]4 years ago
8 0

Answer:

Inferential statistics

Step-by-step explanation:

When we conduct a poll, we aim to make a generalization about the population or units under study. The recent poll of 1971 home owners in West Virginia showed that the average (mean) price of house <em>in the U.S</em><em>.</em> is $319,000.

Recall that this poll was conducted only in West Virginia but the result or finding of the poll is being generalized over the U.S. as a whole. Hence, we are using the sample (fraction) to determine the population (whole) of home owners in the U.S. This is what we call <em>statistical inference or inferential statistics.</em>

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25% there are 8 sections and there are two you are trying to land on making it 2/8=25%

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3 years ago
A car dealership increased the price of a certain car by 3%. the original price was 32,600
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Answer:

33578

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3 years ago
(03.09)
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Point 1, f(x) -4 (x-3) 2+1
3 0
3 years ago
Identify the vertex and the axis of symmetry for y=-(x+3)^2+1
Alex
<u>Vertex</u>
y = -(x + 3)² + 1
y = -(x + 3)(x + 3) + 1
y = -(x² + 3x + 3x + 9) + 1
y = -(x² + 6x + 9) + 1
y = -x² - 6x - 9 + 1
y = -x² - 6x - 8
-x² - 6x - 8 = 0
x = <u>-(-6) +/- √((-6)² - 4(-1)(-8))</u>
                      2(-1)
x = <u>6 +/- √(36 - 32)</u>
                -2
x = <u>6 +/- √(4)
</u>           -2<u>
</u>x = <u>6 +/- 2
</u>          -2
x = <u>6 + 2</u>       x = <u>6 - 2</u>
        -2                  -2
x = <u>8</u>             x = <u>4</u>
     -2                 -2
x = -4            x = -2
y = -x² - 6x - 8
y = -(-4)² - 6(-4) - 8
y = -(16) + 24 - 8
y = -16 + 24 - 8
y = 8 - 8
y = 0
(x, y) = (-4, 0)
or
y = -x² - 6x - 8
y = -(-2)² - 6(-2) - 8
y = -(4) + 12 - 8
y = -4 + 12 - 8
y = 8 - 8
y = 0
(x, y) = (-2, 0)

<u>Axis of Symmetry</u>
The axis of symmetry is equal to -3.
<u />
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4 years ago
Shaun spins the two spinners and wins the sum of two dallor amounts. what is the probability that he will win a sum greater than
padilas [110]
Yes because 100 can be 55+87=142$ see
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