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san4es73 [151]
2 years ago
10

in a survey of 1500 people who owned a certain type of car, 1050 said they would buy that type of car again. what percent of the

people surveyed were satisfied with the car?
Mathematics
1 answer:
Reptile [31]2 years ago
3 0

Answer:

70%

Step-by-step explanation:

Since 1050 were satisfied.....1050/1500=.7 tun into percent u get 70%

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The data distribution is positively skewed

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Answer:

<h3>x¯= 23.8 </h3><h3>μ= 8.2 </h3>

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The mean of a set of numbers is the sum divided by the number of terms.

x¯= <u>25+10+16+39+27+25+32+25+25+22+28+14</u>

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x¯= 23.75 18

<h3>Divide. </h3>

x¯= 23.75 18

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

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<h3>Simplify each value in the list. </h3>

25,10,16,39.27,25,32,25,25,22,28,14

Set up the formula for sample standard deviation. The standard deviation of a set of values is a measure of the spread of its values.

s=  n^∑  i=1    √(<u>xi−xavg</u>)²

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<h3>Simplify the result. </h3>

 

s= √68.05209

The standard deviation should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

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7 0
3 years ago
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