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Santosh G.

Algebra

2 months, 1 week ago

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Which of the following statements must be true about the box plot shown. So let's look at our box plot is something like this: i'm going to going to draw the actual plot accurately. So we know, then that this point here is our highest value. This point here is our lowest value. This point here is our median, and this point here is the median of the first carty and then this is to be the medium of the second cortile. It'S all based on the median, so we can't say a is true, because we can't we don't have anything to do with that. With the mean now, the range we don't know anything really about the range it doesn't look like the range is 40 because we have something between us. If it was 40, it would be 60 to 100 point, so that can't be true 25 percent of the scores in the data score below 70 percent it well. We can't say that for sure either, because that's a median and then says at least 50 percent of the data is scored higher than 85 point here. Here'S 85, since this is the medium that means half or above and half or below since 85, is to the left of that median. It means that we have this 50 percent, plus a little bit more. So it has to be answered g that at least 50 scored.

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Lectures

01:32

In mathematics, the absolute value or modulus |x| of a real number x is its numerical value without regard to its sign. The absolute value of a number may be thought of as its distance from zero along a number line; this interpretation is analogous to the distance function assigned to a real number in the real number system. For example, the absolute value of ?4 is 4, and the absolute value of 4 is 4, both without regard to sign.

01:11

01:49

On a recent exam in Mr. Walsh's chemistry class, themean grade of the $b$ boys in the class was $82,$ and themean grade of the $g$ gi…

09:46

An instructor announces to the class that the scores on a recent exam had a bell-shaped distribution with mean 75 and standard deviation $5 .$…

01:04

Box Plot

01:15

The scatter plot shows the study time and test scores for the students in Ms. Flores' math class.(FIGURE CANNOT COPY)Based on the res…

01:02

2022-1)r

02:49

Out of 600 people sampled, 294 had kids. Based on this, construct a 95% conf…

02:57

2022-55)s

01:12

2022-2)R

01:26

2022-22)S

2022-12)S

01:53

2022-20)S

02:52

2022-38)R

01:48

2022-36)R

02:10

X = time (in years) until the next eruption of avolcano. Assume X Exp(…

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