Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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what does a residual value of -4.5 mean in reference to the line of bes…
B. The data point is 4.5 units below the line of best fit.
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points and their residual values are shown in the table. which point is…
(3, 6.2)
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for the given table, which point lies on the residual plot? (1, 26) (2,…
(3, 4.6)
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for the given table, which point lies on the residual plot? (1,26) (2,1…
# Explanation: ## Step1: Recall residual plot points A residual plot has points \((x, \text{Residual})\), where \(x\) is the independent variable and Residual is the residual valu…
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the predicted values were computed by using the line of best fit, $y = …
\( a = 0.9 \) \( b = -1.0 \) \( c = -0.6 \) \( d = 0.2 \)
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1) read the following selection from the section some parents want cons…
B. in most cases
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which residual plot shows that the model is a good fit for the data?
The third residual plot (with randomly scattered residuals) shows that the model is a good fit for the data.
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which point would be on a residual plot of the data? age (years) given …
Possible points include (1, 0.2), (2, 0.1), (3, 0), (4, - 1.1), (5, 0.8). For example, \(\boldsymbol{(4, - 1.1)}\) (or any of the other points from the table in the form \((\text{…
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john estimates the value of his car over time. the equation for the lin…
\( a = 14.8 \) \( b = 0.1 \) \( c = 9 \) \( d = -1.1 \)
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some residuals for a scatterplot are given for x = 3, the residual is -…
A. 3
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shanti wrote the predicted values for a data set using the line of best…
\( a = -0.4 \) and \( b = 0.15 \) (corresponding to the option: \( a = -0.4 \) and \( b = 0.15 \))
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use the table to find the residual points. which residual plot is the c…
For \( x = 1 \): \(-0.42\) For \( x = 2 \): \(0.35\) For \( x = 3 \): \(-0.08\) For \( x = 4 \): \(0.79\) For \( x = 5 \): \(-0.64\) (To determine the correct residual plot, plot …
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use the graphing calculator tool to plot the residual points (1, 0.86),…
C. No, the points are in a linear pattern
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consider the graph of the line of best fit, ( y = 0.5x + 1 ), and the g…
\(-1\) (corresponding to the option: \(-1\))
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which residual plot shows that the line of best fit is a good model? sa…
(Assuming a typical correct option, e.g.,) The residual plot with residuals randomly scattered (no pattern) around the horizontal axis. (If specific options were given, the answer…
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im lovin it! 2 percent of change take a look at the mcdonalds menu from…
| Item | Percent of Change | |--|--| | \(1/4\) Pounder wl Cheese | \(698.57\%\) | | Filet - o - fish | \(856.25\%\) | | Hamburger | \(614.29\%\) | | Cheeseburger | \(1109.09\%\) |…
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hillsboro university offers six applied majors and monitors the number …
\(50\%\)
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students at oxford high school were polled regarding their favorite dri…
\(19\%\)
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andy, who just won the election for student body president at yardley m…
\(75\%\)
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some players on a co - ed basketball team compared the total number of …
$60\%$
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the arlington public library serves a diverse community and has a forei…
\(60\%\)
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a biology class examined some flowers in a local meadow. the students s…
\(87\%\)
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use the drop - down menu to complete each statement. in this excerpt, n…
A. soft power
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write a sentence or two for the following content. compare/contrast
Compare means to find similarities, contrast means to find differences.
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name: date: clb 4 reading instructor assessment tool theme: preparing f…
A person needs to use a menu when eating out at a restaurant (or similar food - serving place) to choose food and drinks to order. ### Question 2
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question theres a roughly linear relationship between the length of som…
The change in expected height for every one additional centimeter of femur length.
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68. people per vehicle at checkpoint a researcher recorded the number o…
G. 105
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question starting at noon, zendaya observed the amount of snow on her l…
The amount of snow on the lawn at 1 p.m.
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in the language nest model of education, indigenous children learn the …
D. As they complete secondary and higher education, former students of the school experience no loss of fluency or cultural pride.
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insurance provides a means to a. eliminate a loss. b. retain a loss. c.…
D. Transfer a loss.
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based on the textbooks discussion, experiencing less stress is to bette…
C. aerobic exercise; meditation
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statistics show that the fractional part of a battery, b, that is still…
\(\frac{1}{216}\) (or approximately \( 0.00463 \)) of the battery
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use the venn diagram to determine the number of elements in the regions…
\( 21 \) ### For region \( A \) or \( B \) ( \( A \cup B \) ):
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section 4.2 part - to - part ratios objective 1 - understand part - to …
(Part 1 Table Summary): The total population is \(325,719,178\). The filled ratio table (rounded to two decimal places) is as shown above. (For Part 2, the sentences are as constr…
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the calculated risk based on its severity and probability is known as w…
C. actual risk
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cookies per cup of sugar the yields of cookies per cup of sugar for coo…
From the graph, Cookie B makes 36 cookies from 1 cup of sugar. (Note: The table for Cookie A is missing, so the complete answer for both requires the table, but based on the graph…
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question 30 1 pts if the geometric mean of a and 65 is 20√13, find the …
80
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if the geometric mean of a and 65 is 15√78, find the value of a. a =
\(270\)
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graphing linear equations compare proportional relationships cost of ga…
2
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employee 1 earnings per hour hours earnings 1 10 2 20 3 30 employee 2 -…
Employee 2 has a higher hourly rate (Employee 1: $10/hour, Employee 2: $15/hour)
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19. how does nora respond when torvald uses pet names like “little lark…
C. She plays along, acting the cute child - like role
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the following table shows palm coast, fl as the fastest growing metropo…
The equation of the line is \( y = 4587.4x-9124978 \). The slope of 4587.4 represents that the population of Palm Coast, FL increases by 4587.4 people per year. The y - intercept …
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mike solved 60 puzzles in 12 minutes. what is the unit rate? answer thi…
5, 1
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for homework during a stormy night, all the students in a school were a…
8 ### Sub - Question 2: If the principal decided to divide the water collected to give each class a fair share, how much water would each class get?
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mike solved 60 puzzles in 12 minutes. what is the unit rate? answer thi…
The unit rate means that Mike can solve $\boldsymbol{5}$ puzzles in $\boldsymbol{1}$ minute.
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calculate the geometric mean of 8 and 98. 21 40 23 28 none of these ans…
D. 28
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the principal of oceanside middle school recorded the number of student…
- Upper quartile: \( 26 \) - Interquartile range: \( 2 \) - Range: \( 8 \) - Maximum of the lower 75% (first quartile): \( 24 \) - Median: \( 25 \) - Box - plot symmetry: Symmetri…
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jonah reminded sasha that $-6cdot(-5)$ means \the opposite of 6 groups …
D.
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meredith tells joey that $4\times(-3)$ means 4 groups of $(-3)$ and tha…
C. \(5\times(-2)\)
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3. houston population: a. interpret the slope of the equation in real w…
The slope of 123139 in the equation \( y = 123139x+5\text{E+06} \) means that the population of the Houston Metro Area increases by 123,139 people per year (where \( x \) is the n…
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20 mike solved 60 puzzles in 12 minutes. what is the unit rate? answer …
Mike can solve \(5\) puzzles in \(1\) minute.
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topic: reading which of the following is an extended definition of nois…
The option: "My roommate and I argued constantly over her use of floral - scented plug - in air fresheners; she thought they smelled fresh and clean but I found them noisome. Ofte…
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which of the following is a formal definition of proximity? nearness an…
A. Nearness and closeness are synonyms of proximity.
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mike solved 60 puzzles in 12 minutes. what is the unit rate? answer thi…
Mike can solve \(5\) puzzles in \(1\) minute.
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r = 0.4 r = 0.9 r = -0.4 r = -1 smartscore out of 100 time elapsed 01 0…
To solve the problem of matching the scatter plots with their corresponding correlation coefficients (\( r \)), we analyze the direction and strength of the linear relationship in…
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box plot (a) has a larger or smaller mean absolute deviation, so it is …
Box plot (a) has a smaller mean absolute deviation, so it is more consistent. Box plot (b) has a larger mean absolute deviation, so it is less consistent.
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match each correlation coefficient to the appropriate scatter plot. the…
- Scatter plot with the sloped line (first plot): \( r = 0.5 \) - Scatter plot with the vertical line (second plot): \( r = 0 \)
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a sample of 326 students at a university is surveyed. the students are …
\(0.53\)
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value: 4 is a type of mathematics used to predict the chance something …
Probability
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the boxplots represent the number of apples packed in boxes after picki…
A. The minimum number of apples picked from garden A is greater than garden B.
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following boxplot displays the number of cars spotted on a road at the …
1. \(75\%\) 2. \(6\)
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1. what is meant by the term obo - advisor?\ a. an app that you downloa…
c. A set of computer programs that automatically makes adjustments to finance portfolios
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1. imagine you are tiny tim. write a short letter to scrooge explaining…
**Letter from Tiny Tim to Scrooge** Dear Mr. Scrooge, Christmas, to me, is a warm light in the cold— a time when family gathers, and kindness feels like a cozy fire. Even with my …
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part 3: matching match the character or item to their action or descrip…
### Part 3: Matching To solve the matching, we analyze each character/item and action: - **Bob Cratchit**: In the context of "A Christmas Carol", he carries Tiny Tim into the hous…
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choose the correct answer. use the glossary to find the meaning of head…
I am hard to control, and I have goals.
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part 6: fun activity - scrooges christmas resolution create a list of 5…
1. Be more generous to people in need (e.g., donate to charities, help the homeless). 2. Treat employees (like Bob Cratchit) with kindness, give fair wages, and reasonable working…
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pyper has been tracking her change in weight each week for 8 weeks, and…
-1.25 pounds (corresponding to the option: -1.25 pounds)
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use the appropriate mean to solve the following: 1. a mutual fund incre…
The average percentage change is approximately \(4.7\%\) ### Problem 2 #### Part (a)
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1. what is the meaning of the phrase \...i could see dill hatching one\…
A. Dill was thinking about a way to get out of the situation. ### Question 2
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use dart board for 10 - 12 10. if a dart hits this target randomly, how…
10. The sample space (number of equally - likely outcomes) is \(25\). 11. Probability of hitting the bullseye is \(\frac{1}{25}\), probability of hitting a shaded square is \(\fra…
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experimental probability - write the probability as a percent (round to…
\(30\%\)
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twila zone asked students to name their favorite radio station. 13. wha…
13. The size of the sample space is \(122\). 14. - Probability for WROK: \(\frac{33}{122}\) - Probability for WRAP: \(\frac{28}{61}\) - Probability for NOT WHIT: \(\frac{113}{122}…
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carmen is going to roll an 8 - sided die 200 times. she predicts that s…
Carmen's prediction is low because \(200\times\frac{1}{4}\) is 50.
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experimental probability - write the probability as a percent (round to…
6. The size of the sample space is \(80\). 7. - Probability of catching a trout: \(40\%\) - Probability of catching a bass: \(9\%\) (rounded to the nearest whole number) - Probabi…
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9. since the first super bowl, the coin toss has come up heads 26 times…
The probability that the next coin toss will land on heads is \(\frac{1}{2}\)
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theoretical probability - write the probability as a fraction in lowest…
You would expect to get a 5 \(200\) times.
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the sizes of cans on a shelf are as follows. 18 oz, 8 oz, 16 oz, 20 oz,…
\(9\)
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which of the following values could represent the probabilities of comp…
\(\frac{2}{5}\) and \(\frac{3}{5}\)
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latesh a and bernard are playing a game. their scores for five games ar…
The means differ by 1, but the ranges differ by 40.
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li designed a survey to determine how comfortable students at her middl…
nonrandom and biased
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what is the value of the interquartile range of the given data?
4
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the following list shows all of the possible outcomes for flipping four…
\(\frac{3}{8}\)
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a bag contains 1 blue, 2 green, and 3 red marbles, as shown. what is th…
\(\frac{1}{3}\)
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the table of values shows data for a five - word spelling test.which de…
From the origin, go 9 units to the right and 12 units up.
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read the passage from animal farm. \boxer!\ cried clover in a terrible …
It is important to recognize a dictatorship before it is too late.
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the given table shows the participation in the town soccer league durin…
\(y = 6.75x + 81.25\)
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courses completed vs. remaining credits needed to graduate according to…
The output, or dependent variable, is credits needed to graduate.
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out of a population of 1,500 students, 100 were asked by a random sampl…
210
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josiah conducts an experiment that has 4 possible outcomes. sally condu…
Josiah's results are more likely to be close to the predicted results because he had a smaller number of possible outcomes.
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denise and sandra are playing a target game. the object of the game is …
Denise is winning because she is generally closer to the center.
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geraldo wants to start a group bike ride on sunday mornings for student…
\(4\)
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ten words in context in the space provided, write the letter of the mea…
1. c. to ease 2. a. a financial supporter 3. b. concealed 4. a. someone who believes the worst 5. c. dying 6. a. known unfavorably
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which value cannot represent the probability of an event occurring? 62.…
\(1.1\)
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what is the median in the box plot?
\(76\)
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suppose there is a relationship between independent and dependent varia…
The independent variable influences change in the dependent variable whether the points on the scatterplot go up or down from left to right.
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a reporter compared the scores of two basketball teams over the past ye…
They have the same medians but different interquartile ranges.
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16. which extra question should you ask when analyzing theme in histori…
What does the author mean to say about life during the era when the story was set?
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vickie conducts a survey of home builders to determine the average cost…
- The population included only builders who build in Vicki's town. - The builders were chosen at random.
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read the excerpt from chapter 10 of animal farm. for once benjamin cons…
A. reversal, because the commandment has changed in meaning
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answer the statistical measures and create a box and whiskers plot for …
Min: \(2\) Q1: \(4\) Med: \(11\) Q3: \(16\) Max: \(18\) For the box - and - whiskers plot: - The left whisker extends from the minimum value (\(2\)) to Q1 (\(4\)). - The box exten…