Mathematics, 15.04.2020 23:14 PencilLover101

The square root rule is used by some spreadsheet programs to pick the number of bins. It simply uses the square root of the number of points in the data set. Find the number of bins suggested by this rule for the Daphne data.

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Answer from: jeffyisdrunk

# install.packages ("gridBase")

# install.packages ("gridExtra")

library (gridBase) # load the gridBase package into memory

library (gridExtra) # load the gridExtra package into memory

h2 <- ggplot (Daphne, aes (x = Daphne)) + # Configure ggplot

geom_histogram (bins = 10, color = "gray", fill = "red") + # select geom_histogram

annotate ("text", x = Inf, y = Inf, label = "Containers = 10", hjust = 1.5, vjust = 5) +

xlab ("Peak size in mm") + # x-axis label

ylab ("Number of birds") + # label y axis

ggtitle (titleDaphne) # create the title

h3 <- ggplot (Daphne, aes (x = Daphne)) +

geom_histogram (bins = 25, color = "gray", fill = "red") +

annotate ("text", x = Inf, y = Inf, label = "Containers = 25", hjust = 1.5, vjust = 5) +

xlab ("Peak size in mm") + # x-axis label

ylab ("Number of birds") + # label y axis

ggtitle (titleDaphne) # create the title

h4 <- ggplot (Daphne, aes (x = Daphne)) +

geom_histogram (bins = 100, color = "gray", fill = "red") +

annotate ("text", x = Inf, y = Inf, label = "Containers = 100", hjust = 1.5, vjust = 5) +

xlab ("Peak size in mm") + # x-axis label

ylab ("Number of birds") + # label y axis

ggtitle (titleDaphne) # create the title

grid.arrange (h2, h3, h4) # print everything on the same page

The square root rule is used by some spreadsheet programs to pick the number of bins. It simply uses

Answer from: Quest

the required function is $y=-x+4$ .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

$m=\frac{y_2-y_1}{x_2-x_1}=\frac{4-7}{)}=\frac{-3}{3}=-1$

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

$y=mx+b$

where, m is slope and b is y-intercept.

$y=-1x+4$

$y=-x+4$

therefore the required function is $y=-x+4$ . the graph of this function is shown below.

Answer from: Quest

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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