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3 years ago

Scores for the local high school basketball teams from games played last week are shown in the table below.

Mathematics

2 answers:

Irina-Kira [14]3 years ago

4 0

I, II, and III

Step-by-step explanation:

From dot plots, the steps used are;

ordering data from smallest to largest
Finding median
Finding median of both lower and upper half of the data
Finding the difference between the medians of both lower and upper half of the data.

From the histogram steps involved are

From the cumulative frequency histogram polygon, find the upper quartile which is 3/4* highest column value
locate value in step on in the c.f column on the y-axis
after locating the value on the c.f column, draw a horizontal line from that point to hit the polygon and draw a vertical line all the way down to hit x-axis, this is the upper quartile (Q3) value
Repeat the procedure for lower quartile using 1/4*the highest column value.
The range is obtained by finding the difference between upper quartile, Q3 and lower quartile Q1

From the box plot, the steps for finding interquartile range are;

Find Q1 which is represented on a box plot by the left-hand edge of the box.(where the whisker stops)
Find Q3 which is represented on a box plot by the right hand edge of the box
Find the difference ,Q3-Q1, to get the interquartile range

Learn More

Interquartile range :brainly.com/question/1107323

Keywords : histogram, dot plot, box plot

#LearnwithBrainly

xxMikexx [17]3 years ago

4 0

Answer:that’s not the answer the answer is || and |||

Step-by-step explanation:

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The answer I would assume is C

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2 years ago

The caller times at a customer service center has an exponential distribution with an average of 22 seconds. Find the probabilit

jenyasd209 [6]

Answer:

The probability that a randomly selected call time will be less than 30 seconds is 0.7443.

Step-by-step explanation:

We are given that the caller times at a customer service center has an exponential distribution with an average of 22 seconds.

Let X = caller times at a customer service center

The probability distribution (pdf) of the exponential distribution is given by;

$f(x) = \lambda e^{-\lambda x} ; x > 0$

Here, $\lambda$ = exponential parameter

Now, the mean of the exponential distribution is given by;

Mean = $\frac{1}{\lambda}$

So, $22=\frac{1}{\lambda}$ ⇒ $\lambda=\frac{1}{22}$

SO, X ~ Exp( $\lambda=\frac{1}{22}$ )

To find the given probability we will use cumulative distribution function (cdf) of the exponential distribution, i.e;

$P(X\leq x) = 1 - e^{-\lambda x}$ ; x > 0

Now, the probability that a randomly selected call time will be less than 30 seconds is given by = P(X < 30 seconds)

P(X < 30) = $1 - e^{-\frac{1}{22} \times 30}$

= 1 - 0.2557

= 0.7443

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3 years ago

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alukav5142 [94]

Answer:

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Step-by-step explanation:

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2 years ago

Eddie bought 27 2/5 inches of wire for a home improvement project. How many 12 inches sections can he make from it?

goblinko [34]

Simply divide your wire by 12 and cut off the excess (as it cannot make a full 12-inch section).

27 $\frac{2}{5}$ ÷12=2 $\frac{17}{60}$

So you have two 12-inch sections and an additional 3.4-inch section.

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2 years ago

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Ahat [919]

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3 years ago