Question

MEDAL


Here are 10 test scores: 73, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 78.3. Does this set have an outlier and, if so, how does removing it affect the mean?


A.
The set has 73 as an outlier and removing it increases the mean by about 0.5.


B.
The set has 73 as an outlier and removing it decreases the mean by about 0.5.


C.


This data set has no outliers.


D.
The set has 73 as an outlier and removing it decreases the mean by about 10.

Answer 1

@Whitemonsterbunny17

Answer 2

It has no outlier..

Answer 3

an outlier is a value that does not fit with the set of values, so 30 (or something like that) would be an outlier

Answer 4

okay hmmm can you please explain a little more?

Answer 5

Welp, what do you need clarification on?

Answer 6

an outlier is a number that is not near the cluster, so it could be c

Answer 7

like what you said i dont understand

Answer 8

Okay >.< it's asking for an outlier to the set of values. notice how all the numbers in the set of values are in the 70's or 80's

Answer 9

okay thanks you too:)

Answer 10

can you help me with more?

Answer 11

So you understand?

Answer 12

yeah, but I may leave unexpectedly

Answer 13

yes i do and okay

Answer 14

Kelly went bowling five times during the summer. Her scores were 130, 160, 120, 213, and 220. If she wanted to misrepresent the data to impress people with how well she bowled during the summer which measure would she most likely use?



A.
range


B.
mode


C.
maximum


D.
median

Answer 15

C?

Answer 16

The maximum, yep :)

Answer 17

okay:)

Answer 18

You didn't need my help for that! xD

Answer 19

If x can be any number, how many solutions are there for the equation?



y = 4x + 1



A.
There is only one solution because all equations have one solution.


B.
There are many solutions because there are many values for the variables that make the equation true.


C.


There are two solutions because there are two variables in the equation.


D.
There is no solution because there are no values for the variables that make the equation true.
Question Resources


i think it is C

Answer 20

Yeah, I believe it is C, too

Answer 21

okay:)

Answer 22

Is the ordered pair (1, 4) the solution to the equation y = 2x + 1?


A.
Yes, because the ordered pair fits the equation.


B.
No, because the ordered pair does not fit the equation.


C.
Yes, because the ordered pair is the only solution to the equation.


D.


No, because the ordered pair is not the only solution to the equation.

Answer 23

no, it's A. If you think about it, (for the last question)

Answer 24

okay

Answer 25

okay for this one, tell me does 2 + 1 = 4?

Answer 26

plug in (1, 4) to y = 2x + 1
4 = y and 2x = 2

Answer 27

y= 4x +1 is b because you can substitute x with anything

Answer 28

okay thanks:)(: so much:)

Answer 29

So what mysangels just said.

Answer 30

okay i just attached both to this one :)

Answer 31

and for the last question, it is also b because if you multiply 2 by 1, then add 1, you get 3, not 4

Answer 32

positive correlation

Answer 33

notice how the plots are moving upward and to the right >.<

Answer 34

can you please explain please jadeeishere

Answer 35

Yeah, if you look at the graph, scatter plots use a correlation, whether it be negative, positive, or no correlation. What you do is find the line of origin, or the line of best fit. the line will tell you if it is positive or negative.

Answer 36

Positive correlation has a line that rises from left to right, while negative rises from right to left. No correlation has intercepts all over the graph

Answer 37

oh okay:)(:

Answer 38

@asatt32 help

Answer 39

Peter drove 300 miles in 5 hours. Jane drove 400 miles in 8 hours. Who drove at a higher speed?


A.
Jane


B.
Peter

Answer 40

@myininaya

Answer 41

@wolistin @quirkymalik @kellyking @xTrinKittenx @SyedaLovesPie @ganeshie8

Answer 42

@Whitemonsterbunny17

Answer 43

B?

Answer 44

I think it is Peter because he drove 300 miles in only 5 hours, while Jane drove only 400 miles in 8 hours.
So yes, B. (:

Answer 45

thanks and can ya help me with more?

Answer 46

I can try (:

Answer 47

Just tag me in them (:

Answer 48

okay:)(:

Answer 49

sorry, math isnt my strong suit

Answer 50

its okay:)