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sp2606 [1]
3 years ago
6

The data set below shows the weights of some puppies, in pounds, at a kennel: 10, 11, 11, 12, 13, 13, 13, 14, 15 Which histogram

represents the data set?

Mathematics
2 answers:
kari74 [83]3 years ago
8 0

Answer:

it would be a

Step-by-step explanation:

Ghella [55]3 years ago
4 0
The sample size of the data set is 9.The range of the data is 10 - 15.
Group the data into 5 bins according to the table shown below.
Bin   Count-----  --------- 10      3 11       1 12      2 13      0 14      2 15      1
A plot of the histogram n shown in the figure.The data is skewed toward a value of 10, which has the largest frequency of 3.The average is 12, and the median is 12.

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Choose the equation and the inequality needed to answer this question.
Flauer [41]

Answer:

Actually, what you said you have so far is not correct.  The 2 correct answers are the 1st one (x + y = 15) and the 5th one (15x + 10y > 180)

Step-by-step explanation:

If tutoring French is x hours and scooping ice cream is y hours and he is going to work 15 hours for sure doing both, then we can add them together to get that x hours + y hours = 15 hours, or put simply:  x + y = 15.

Now we are going to throw in the added fun of the money he makes doing each.  The thing to realize here is that we can only add like terms.  So looking at the equation above, we have x hours of tutoring and y hours of scooping, so if we want to add them, we will add those number of hours together to get the total number of hours he worked, which we know to be 15.  The same goes for money.  If we add money earned from tutoring to money earned from scooping, we need that to be greater than the money he wants to earn which is 180 at least.  Because he wants to earn MORE than $180. we use the ">" sign.  Since he earns $15 an hour tutoring, that expression is $15x; since he earns $10 an hour scooping, that expression is $10y.  Now add them together (and you CAN because they are both expressions relating dollars to dollars) and set the sum > $180:

$15x + $10y > $180.  That's why your answer is not correct.  Use mine (with the understanding that you care about why yours is wrong and mine is correct) and you'll be fine.

5 0
3 years ago
Question
AlekseyPX

Answer:

The population mean is 5 volts

Step-by-step explanation:

Output voltage is assumed to be normally distributed, with standard deviation 0.25 Volts

s=0.25

n = 8

H_0:\mu = 5\\H_a:\mu \neq 5

Sample mean = \bar{x}=4.85

Since n < 30 and population standard deviation is unknown

So, we will use t test

Formula : t = \frac{x-\mu}{\frac{s}{\sqrt{n}}}

t = \frac{4.85-5}{\frac{0.25}{\sqrt{8}}}

t=-1.69

Refer the t table for p value

Degree of freedom = n-1 = 8-1 = 7

So,t_{(df,\alpha)}=t_{7,0.05}=2.365

P value >α

So, We are failed to reject null hypothesis

Hence The population mean is 5 volts

7 0
3 years ago
Pls help with this someone i'm struggling with this!
AfilCa [17]

Answer:

x=9

Step-by-step explanation:

Remove the radical by raising each side to the index of the radical.

5 0
3 years ago
Read 2 more answers
I really need help please
Lana71 [14]
Oh um... well let's see... okay I do NOT know this. SO sorry. Hope you get an answer soon.
8 0
3 years ago
Two one-step equations
olchik [2.2K]

Question:  When is this due?                                      

6 0
1 year ago
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