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Natasha_Volkova [10]
2 years ago
8

FreezeFrame, a social networking site, sent out a survey in which the users simply click a response to join the sample. One of t

he questions in 2015 was, "Do you prefer to shop online?" More than 45,000 people responded, with 79% responding yes. What can you conclude from the survey?
Mathematics
1 answer:
kramer2 years ago
7 0

Answer:

Here, Convenience sampling is used by the poll

Explanation:

Convenience sampling also called as opportunity, grab or accidental sampling is a kind of non-likelihood testing that includes the sample being drawn from that piece of the populace that is near hand. This sort of sampling is most valuable for pilot testing.  

Convenience sampling is a procedure used to make sample according to straightforward entry, readiness to be a sample's part , accessibility at a given scheduled slot.  

So, this method of sampling is biased and don't results in desired outcomes.

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If 123 means "very hot day", 356 means "hot filtered coffee", 289 means "day and night". The numeral that stands 'very' is:
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Answer:

1

Step-by-step explanation:

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2 years ago
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Ali and Felicia analyzed the patterns of equivalent ratios for StartFraction 3 Over 8 EndFraction in the table below.
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its a

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Raj takes a taxi to the airport. He expects the taxi to travel at an average speed of 40 mph. The distance from Raj's house to t
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Answer:

15 minutes more, as 60-45mins = 15 minutes.

Step-by-step explanation:

Distance = 30 miles

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2 years ago
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The following data show the midterm and final exam scores in an English writing class. Student 1 2 3 4 5 6 7 8 9 10 11 12 Midter
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Answer:

The co variance of the midterm and final exam scores is 58.76.

Step-by-step explanation:

The formula to compute the sample co variance is:

Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}

The values are computed in the table below.

Compute the co variance as follows:

Cov(x,y)=\frac{\sum(X-Mean\ of\ X)(Y-Mean\ of\ Y)}{n-1}\\=\frac{646.33}{12-1}\\ =58.76

Thus, the co variance of the midterm and final exam scores is 58.76.

7 0
1 year ago
Which triangle defined by three points on the coordinate plane is congruent with the triangle illustrated, and why?
HACTEHA [7]
The triangle defined by three points on the coordinate plane is congruent with the triangle illustrated:

C) (4,2); (8,2); (4,8) because the corresponding pairs of sides and corresponding pairs of angles are congruent. 

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2 years ago
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