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erastovalidia [21]
3 years ago
11

The graph shows the value of a certain model of car compared with its age. Which statement is false??

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0

We have to find the INCORRECT statement from the given 4 choices.

Since the points of the given scatter plot lie mainly in a straight line we can conclude that there is a strong correlation between the car's value and the car's age.

Since the correlation is strong the the slope is negative, we can conclude that the correlation coefficient is close to -1.

The data does shows a negative linear relationship as the line is falling i.e. slope is negative.

The statement D is false. The explanatory variable is plotted along x-axis. So the variable along x-axis is Car's age in years not Cars value.

So the answer to this question is D.

AleksandrR [38]3 years ago
7 0

Answer:

The correct answer is B

Step-by-step explanation:

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Nina has $5 and $10 bills in her wallet. She has a total of 13 bills with a value of $85. How many of each type of bill does she
matrenka [14]

Answer:

I got eleven 5 dollar bills and and I got 3 ten dollar bills

Step-by-step explanation:

what i did was start out with 85/5, then that was 17 so I started minusing 2 fives to = 1 ten so 15 5's and 1, 10 then so forth 13 5 dollar bills and 2 10 dollar bills, 11 5 dollar bills and 3 ten dollar bills. y=-2x+17

5 0
2 years ago
Andrea is told that the means of two groups in a study were statistically significant. She knows the means and standard deviatio
salantis [7]

Answer:

Cohen's D

Step-by-step explanation:

Cohen's D is a statistic that measures effect size. It shows standardised difference between 2 means.

Effect size is defined as how large the effect of a something is or its magnitude.

Cohen's D works effectively when the sample is >50 (that is for large samples). However a correction factor can be used to make results from small samples more accurate

The formular for Cohen's D is:

D = (mean1 - mean2) ÷ (√({standard deviation1}^2 + {standard deviation 2}^2)/2)

This is the most appropriate method in the given scenario

5 0
3 years ago
Diego bought a drone for $35 off the regular price of $720.00. if there is 7% tax and a $6.50 shipping fee, what is the total pr
creativ13 [48]

Answer:

$739.45

Step-by-step explanation:

$720 - $35 = $685

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4 0
4 years ago
Randy said that the number 0.03 has a value 10 times greater than 0.003 is he correct.
pishuonlain [190]
Yes, he is correct. 0.003 * 10 = 0.03
5 0
4 years ago
completa con las razones trigonométricas de cada triángulo rectángulo dado y encuentra el lado faltante aplicando el teorema de
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primero vamos a calcular el lado faltante usando el teorema de pitagoras para poder obtener el lado faltante a

a=\sqrt[]{hipotenusa^2-cateto^2}a=\sqrt[]{100^2-85^2}=52.68

a=52.68 m

teniendo el lado faltante podemos calcular las razones trigonometricas

\sin (55)=\frac{85}{100}=0.85\cos (55)=\frac{52.68}{100}=0.52\tan (55)=\frac{85}{52.68}=1.61

\csc (55)=\frac{100}{85}=1.17\sec (55)=\frac{100}{52.68}=1.89\cot (55)=\frac{52.68}{85}=0.61

4 0
1 year ago
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