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BartSMP [9]
4 years ago
11

The owner of a fruit stand gathered data for a week about the number of watermelons, pumpkins, and cantaloupes sold each day. Sh

e represented the data in two scatter plots.
Does either scatter plot indicate a positive correlation between the variables?

A.) only plot A
B.) only plot B
C.) both plot A and plot B
D.) neither plot A nor plot B

Mathematics
2 answers:
Afina-wow [57]4 years ago
7 0

The answer is A.) only plot A

____ [38]4 years ago
3 0
<h3>Answer: A) Only plot A</h3>

The reasoning is because all of the points for plot A are fairly close to the same straight line. This straight line has a positive slope. We call this line the regression line.

In contrast, plot B seems to have the points randomly scattered about. We can't draw a good fitting straight line to get near all of the points. So plot B does not show positive linear correlation.

Side note: the correlation coefficient for plot A will have its r value close to 1. The r value for plot B will be close to 0.

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The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant.
laila [671]

Im 75% sure the answer is -3.

5 0
3 years ago
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What is the slope<br> A. Undefined <br> B. 0
Contact [7]
The line is horizontal, therefore the slope is 0.

Answer=0
8 0
4 years ago
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Find the value of x, rounded to the nearest tenth <br> A. 24.5<br> B. 18<br> C. 16.1<br> D. 2
Strike441 [17]

Answer:

B. 18

Step-by-step explanation:

Given:

There are two chord in the circle.

These chords are divided in two segments.

Segments of 1 chord is 21 and 6.

Segments of 2 chord is x and 7.

Now by using Intersecting Chord Theorem which states,

"When two chords intersect each other inside a circle, the products of their segments are equal."

Hence from above theorem we can say that;

x\times7=21\times6\\7x = 126\\x= \frac{126}{7}\\x=18

Hence the Value of x is 18.

8 0
3 years ago
Alguém sabe como faz essas duas questões ?
joja [24]

Minha resposta: não.

7 0
4 years ago
A publisher reports that 54% of their readers own a particular make of car. A marketing executive wants to test the claim that t
dalvyx [7]

Answer and explanation:

Null hypothesis: p is not 54%

Alternative hypothesis : p is equal 54%

First find standard deviation

Standard deviation is:

σ = √[ P ( 1 - P ) / n ] = √[ 0.54×0.46/220 ] =0.033

The z score is calculated p-P/σ = (0.54-0.50)/0.033 = 1.2121

Therefore we can conclude that proportions are not same and fail to reject the null hypothesis

3 0
3 years ago
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