Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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soda had this buckskin horse, only it wasnt his. it belonged to a guy w…
bad - tempered
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find the regression equation, letting the first variable be the predict…
The equation of the regression line is \( \hat{y} = \boxed{16.693} + (\boxed{-0.0027})x \)
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let g be the number of gallons of gasoline that remain in a cars gasoli…
A. The g - intercept of the model is \((0,13)\). The g - intercept estimates the number of gallons of gasoline in the tank at the start of the trip.
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let g be the number of gallons of gasoline that remain in a cars gasoli…
A. The d - intercept of the model is \( (130,0) \). The d - intercept estimates the number miles after which the gasoline tank will be empty.
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let g be the number of gallons of gasoline that remain in a cars gasoli…
90
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let g be the number of gallons of gasoline that remain in a cars gasoli…
2
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an ______________ describes the relationship between the two variables …
association
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some things must be felt to be understood. there is no free will when e…
Arts - Philosophy
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some things must be felt to be understood. there is no free will when e…
Arts - Literature (as the task is about literary quote - theme matching, Literature subfield of Arts is most applicable)
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m/j accel math gr 7-zielske (lms) topic 4 assessment (lms graded) cost …
(2, 1.50), (6, 4.50)
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let g be the number of gallons of gasoline that remain in a cars gasoli…
C
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12 mark for review the positive number a is 230% of the number b, and a…
D. 383
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a bottle of sun tea initially has a temperature of 84°f. it is left to …
51
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extra example 1: make a scatter plot of this data set. describe the pat…
To make the scatter plot, plot the points \((1,18)\), \((2,17)\), \((4,12)\), \((5,15)\), \((5,11)\), \((7,7)\), \((8,10)\), \((10,8)\), \((11,9)\), \((13,3)\) on a coordinate sys…
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5 mark for review a model predicts that the population of bergen was 15…
D. \( p = 15,000(1.04)^x \)
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let v be the value (in dollars) of a companys stock at t years since 20…
A. The v - intercept of the model is \((0,16)\). The v - intercept estimates the value of the stock in 2000.
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1 mark for review 73, 74, 75, 77, 79, 82, 84, 85, 91 what is the median…
79
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part a which of the following graphs represent the proportional relatio…
Graphs that describe the proportional relationship: The Left Graph, The Middle Graph Graphs that do not describe the proportional relationship: The Right Graph Constant of proport…
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write each percent as a fraction in lowest terms. u 23% t 7% o 81% d 10…
- \( 23\% \): \(\frac{23}{100}\) - \( 7\% \): \(\frac{7}{100}\) - \( 81\% \): \(\frac{81}{100}\) - \( 10\% \): \(\frac{1}{10}\) - \( 25\% \): \(\frac{1}{4}\) - \( 60\% \): \(\frac…
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20 multiple choice 1 point a cargo airplane has a maximum takeoff weigh…
34 (the option with "34")
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let v be the value (in dollars) of a companys stock at t years since 20…
B. The t - intercept of the model is \((8,0)\). The t - intercept estimates the year for which the stock will have no value.
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example 1: make a scatter plot of this data set. describe the pattern o…
To make the scatter plot, plot the points \((1,3)\), \((3,8)\), \((7,9)\), \((2,2)\), \((8,8)\), \((4,5)\), \((5,5)\), \((4,6)\), \((2,4)\), \((6,6)\), \((7,9)\) on a coordinate s…
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f(t) = 8,000(0.65)^t the given function f models the number of coupons …
D. The estimated number of coupons the company sent to their customers at the end of 1998 was 8,000.
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question 11 1 pts there are 12 women and 18 men who have qualified to c…
\( 0.1983 \)
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the logistic growth function ( p(x) = \frac{90}{1 + 271e^{-0.122x}} ) m…
17.9
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medications for depression a researcher wishes her patients to try a ne…
749398
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word permutations how many permutations can be made using all the lette…
30240
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compute the correlation coefficient for your bivariate data. test the s…
To solve this problem, we'll follow the steps for analyzing bivariate data (age and gender) using statistics. We'll assume gender is coded as a binary variable (e.g., 1 for one ge…
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18 numeric 1 point a 2,100 - gallon fish pond has a circulation drain a…
60
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• _______________ is the process of collecting, displaying, and analyzi…
1. Statistics; data 2. product 3. business 4. Univariate; one 5. Bivariate 6. scatter plot
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movie selections the foreign language club is showing a five-movie mara…
\( 6188 \)
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gia would like to place three tattoos on her body. she would like to ha…
15600
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10. choose the best story for the graph below. a. camile walks up a hil…
A. Camile walks up a hill and then rests at the top.
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data value frequency 6 3 7 3 8 8 9 8 10 9 11 11 12 9 13 0 14 6 the freq…
14
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question 8 1 pts suppose events e and f are mutually exclusive, with p(…
a) The odds for \( E \) are: 6 to 19 b) The odds against \( E \) are: 19 to 6
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inspecting restaurants how many different ways can a city health depart…
2162160
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a logistic growth model for world population, f(x), in billions, x year…
81
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a knitted hat pattern comes in 4 styles with 3 stitch options and 3 siz…
63
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which of the following equations is the most appropriate linear model f…
B. $y = -1.9x + 10.1$
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visiting nurses how many different ways can a visiting nurse visit 7 pa…
5040
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a certain recipe for snack mix calls for 9 cups of cereal and 12 cups o…
4
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the table gives the distribution of votes for a new school mascot and g…
C. $\frac{1}{4}$
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a certain recipe for frosting calls for 6 teaspoons of orange food dye …
5
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use the formula ( t = \frac{ln 2}{k} ) that gives the time for a popula…
a. The growth rate is \( 0.4\% \). b. It will take approximately \(\boxed{173}\) years.
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a certain recipe for frosting calls for 4 teaspoons of green food dye a…
10
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a certain recipe for trail mix calls for 2 cups of peanuts and 4 cups o…
6
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use the formula ( t = \frac{ln 2}{k} ) that gives the time for a popula…
The country's growth rate is \( 0.4\% \) (or in decimal form \( 0.004 \)).
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the graph shows a linear relationship between the time and the number o…
The linear relationship is a proportional relationship because the graph passes through the point (0, 0).
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use the exponential growth model, $a = a_0e^{kt}$, to show that the tim…
\( k \)
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ratio of triangles to total shapes (without simplifying): 16 : 36 just …
For every \(4\) triangles there are \(9\) total shapes, therefore the simplified ratio of triangles to total shapes is \(4:9\).
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15 multiple choice 1 point attendance at museum x: age distribution the…
700
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ratio of squares to total shapes (without simplifying): 12 : 28 answer …
For every \(3\) squares there are \(7\) total shapes, therefore the simplified ratio of squares to total shapes is \(3:7\).
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question find the ratio of squares to total shapes in the diagram below…
\(12:28\)
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the graph shows the distance traveled by an olympic-level sprinter, y, …
The slope of the line is 10. The slope represents the sprinter's speed (in meters per second).
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question 6 1 pts in how many ways can 6 students be selected from a gro…
376740
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if 2 cards are selected from a standard deck of 52 cards without replac…
0.005
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if drawing this value scale, why would it be a good idea to fill in box…
B. Because they are mid - points.
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at a baseball game, approximately 33% are fans of the visiting team. th…
73.0
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practice problems 1 a restaurant offers delivery for their pizzas for a…
\(7\)
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let v be the value (in dollars) of a companys stock at t years since 20…
B.
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extra example 2: vicki teaches an aerobics class at a local gym. each s…
### Part (a) # Explanation: ## Step 1: Plot the Data Points First, we identify the independent variable (hours spent working out, \( x \)) and the dependent variable (pounds lost,…
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use the exponential growth model, ( a = a_0 e^{kt} ), to show that the …
To find the time to grow from \( A_0 \) to \( 2A_0 \), substitute \( A = 2A_0 \) (the second option among the given choices for \( A \)). The time \( t \) is derived as \( t = \fr…
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use the exponential decay model ( a = a_0 e^{kt} ) to solve the followi…
\(12.6\) years
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which quote from the story best supports the idea that john learns to b…
C. I was building the habit of getting things done.
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14 numeric 1 point the scatterplot shows the gas mileage as a function …
18
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a every morning, when i woke up, rex would greet me, wagging his tail. …
Taking care of Rex helps John become more responsible.
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11 multiple choice 1 point in 1950, scientists estimated a certain anim…
8,100 (corresponding to the option with 8,100)
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multiple choice 1 point as of 2009, there were about 225 quarter for ev…
383 (the option with 383)
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example 2: harvey’s fitness class at a local gym collected data about t…
### Part (a) # Explanation: ## Step 1: Identify Data Points Let \( x \) be hours spent working out, \( y \) be pounds lost. Data points: \((3,2),(5,3),(8,3),(9,4),(9,5),(14,6),(17…
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3/4 + 4/5 partition each area model again to make like units.
The sum of \(\frac{3}{4}+\frac{4}{5}\) is \(\frac{31}{20}\) (or \(1\frac{11}{20}\)). For the area models, partition the first into 5 sub - parts per column and the second into 4 s…
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read these lines from shakespeare’s \sonnet 100.\ rise, resty muse, my …
A. carved
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let e be a colleges enrollment (in thousands of students) at t years si…
10
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extra example 1: write an equation for the line of fit drawn.
The equation of the line of fit is \( y = -3x + 33 \) (or other equivalent forms based on accurate point selection, but this is a reasonable approximation).
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the table shows how many bottles a machine fills in a certain number of…
The Middle Graph
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read the sentence. the garden was enclosed by tall stone walls, which b…
A. It describes the effect of the tall stone walls.
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read this example of incorrect sentence structure. heavy, black clouds …
D. Heavy, black clouds rushing in from the horizon mean a storm is coming.
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let e be a colleges enrollment (in thousands of students) at t years si…
18
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passage 2 sir james knowles (1831-1908) was an english architect and ed…
Sir Kay told his tale like an expert.
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malik rides his scooter at a constant rate. the table shows the proport…
\( y = 11x \)
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study the cartoon by signe wilkinson. how does satire create meaning in…
D. The turkey heading for slaughter asking about health care critiques current healthcare systems.
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malik rides his scooter at a constant rate. the table shows the proport…
11
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given the following bivariate data set, find the correlation coefficien…
# Explanation: ## Step 1: List the data points We have the following pairs of (x, y) values: (14.1, 79.2), (21.6, 58), (22.2, 60.6), (35.5, 83.7), (28.3, 58), (26.3, 72.7), (33, 5…
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the relationship is proportional, so we can connect the points on a gra…
It snowed \(\boldsymbol{36}\) inches in 6 hours. It snowed 18 inches in \(\boldsymbol{3}\) hours.
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what is the correct meaning of the word quip? she never hesitates to de…
B. wisecrack
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what is the correct meaning of the word quip? she never hesitates to de…
B. wisecrack (assuming the options are labeled A: speech, B: wisecrack, C: answer, D: insult)
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people tend to be more generous after receiving good news. are they les…
First, the sample mean $\bar{x}\approx18.07$ (if the first part is to find $\bar{x}$) and the z - statistic $z\approx - 4.32$ (if the second part is to find $z$). If we assume the…
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a class survey in a large class for first-year college students asked, …
\(2.03\)
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what is the correct meaning of the word novelty? the novelty of grayson…
The option "state or quality of being new" (the third option in the list)
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what does the phrase words are but wind mean? \a man may break a word w…
Words are not firm or dependable.
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what does the root infer mean in the word inferior? after the change of…
below
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given the following bivariate data set, find the correlation coefficien…
# Explanation: ## Step1: Recall the formula for Pearson's correlation coefficient \( r \) The formula for the Pearson correlation coefficient \( r \) is: \[ r = \frac{n(\sum xy) -…
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question 30 of 33 stacked a confidence interval for the population mean…
0.2758 (assuming \(\mu_0 = 130\), if \(\mu_0\) is different, the P - value will change. If there was a different \(\mu_0\) provided, the calculation would be adjusted accordingly)
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what is the correct meaning of the word abide? when we visit grandmas h…
B. submit to
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what is the correct meaning of the word dictatorial? the country had al…
B. authoritarian
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m3|l2 graphs of proportional relationships now, let’s consider graph 2.…
\( y = 0.1x \) (or \( 0.1x = y \))
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which equation is represented by the model? answer \\(\\frac{5}{6} \\di…
\(2\frac{1}{6}\div\frac{5}{6}=2\frac{3}{5}\) (the last option, which is \(2\frac{1}{6}\div\frac{5}{6}=2\frac{3}{5}\))
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______ is the last step of the abcde method of cognitive restructuring.…
To describe how energized and empowered you feel at the moment ### Question 10 (Change Management Strategy)
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complete the table shown to the right for the population growth model f…
111.2
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complete the table shown to the right for the population growth model f…
118.7
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m3|l2 graphs of proportional relationships one way to figure this out i…
\( y = 0.4x \) (or using the given buttons: we can form \( y = 0.4 \cdot x \))