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zloy xaker [14]
3 years ago
10

Could anyone help me with this scatter plot question? Thanks :)

Mathematics
2 answers:
sleet_krkn [62]3 years ago
7 0
You need to find the slope of a line which you find by picking two points then subtracting one y value from the other and subtracting the corresponding x values from each other (ex. (16,4) and (3,6) 4-6/16-3= -2/13. So -2/13 is the slope) for the second question about negative or positive correlation it means if the y value increases does the x value increase as well(or vice versa)? if so then its a positive correlation however if when the y value increases the x value decreases (or vice versa) its a negative correlation . If the dots are just all over the place its no correlation 
Rama09 [41]3 years ago
6 0
I can only help you with the second one. It is a positive correlation because it is going upwards. Good luck with the first one!
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A business made a profit of $980 this month. Last month, it made 84% of this month's profit. About how much was last month's pro
Leviafan [203]

Answer:

$823.20

Step-by-step explanation:

84% of $980 = 0.84 * 980

= $823.20

6 0
3 years ago
In each of the following expressions, c represents the original cost of an item
Morgarella [4.7K]

Answer:

i . 0.10c

Step-by-step explanation:

Just plug a random number, idk what number you'd choose. But my lucky number is 10 so 0.10 x 10 = 1 which is 10% of the original cost XD

yea..hope this helps! :D

8 0
3 years ago
Need an answer QUICK pls help
Rom4ik [11]

Answer:

B

Step-by-step explanation:

y = 32

3 0
3 years ago
HELP PLS’ Suppose you roll a die. Find the probability of the given event. Simplify your answer.
NikAS [45]

The answer is 2) 2/3

7 0
3 years ago
In the distribution, the first quartile,median and mean are 30.8,48.5 and 42.0 respectively. If the co efficient skewness is -0.
finlep [7]

Answer:

The third quartile is 56.45

Step-by-step explanation:

The given parameters are;

The first quartile, Q₁ = 30.8

The median or second quartile, Q₂ = 48.5

The mean, \bar x = 42.0

Coefficient of skewness = -0.38

The Bowley's coefficient of skewness (SK) is given as follows;

SK = \dfrac{Q_3 + Q_1 - 2 \times Q_2}{Q_3 - Q_1}

Plugging in the values, we have;

-0.38 = \dfrac{Q_3 + 30.8 - 2 \times 48.5}{Q_3 - 30.8}

Which gives;

-0.38×(Q₃ - 30.8) = Q₃ + 30.8 - 2 × 48.5

11.704 - 0.38·Q₃ = Q₃ - 66.2

1.38·Q₃ = 11.704 + 66.2 =  77.904

Q₃ = 56.45

The third quartile = 56.45.

5 0
3 years ago
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