Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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perrys city has lots of hills and one - way streets, which make riding …
Birch Leaf Circle
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daniel earned a score of 28 on exam a that had a mean of 25 and a stand…
Daniel must score 775 on Exam B.
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rocky peak mountain has some very tough hiking trails. the zig zagger t…
mile 4
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annabelle earned a score of 288 on exam a that had a mean of 300 and a …
Annabelle must score 444 on Exam B.
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after school, patrick likes to watch the game show name that number. co…
Dominic
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david earned a score of 41 on exam a that had a mean of 51 and a standa…
260
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a person walked a dog \\(\\frac{4}{7}\\) of a mile on thursday and \\(\…
D. $1\frac{8}{21}$
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gabrielle uses the comic review website to read comic book reviews. sit…
Wasp Boy's Dilemma
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question tallulah earned a score of 470 on exam a that had a mean of 50…
240
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alan likes watching movies with horrible reviews. he reads reviews on t…
Zebra - Man's Last Stand
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duncans cat blimpy has gained weight in recent years. so, duncan decide…
October
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samantha earned a score of 200 on exam a that had a mean of 350 and a s…
Samantha must score 31 on Exam B.
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wandas dad has owned an ice cream shop for more than 25 years. last wee…
Model FTR 2.5
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anna earned a score of 725 on exam a that had a mean of 750 and a stand…
28
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a small technology company started offering shares of stock to investor…
A linear model is not appropriate because the residual plot shows a clear pattern.
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dillon and his family are going hiking. the elevations of three trailhe…
Big Bend
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question nabhitha earned a score of 680 on exam a that had a mean of 70…
96
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jonathan took a scuba diving vacation last summer. the table shows his …
8:30 A.M.
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passages excerpt from letter from birmingham jail (1963) by martin luth…
D. Justice withheld entirely.
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emma earned a score of 510 on exam a that had a mean of 550 and a stand…
69
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alice is showing her friends a new card game in which you can gain or l…
Martin
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question on a standardized exam, the scores are normally distributed wi…
The z - score is 3.
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ons: complete the sentences about the story. choose words from the e ea…
1. The man gave Maria eight **dollars**. It wasn’t **exact change**. She handed him a **dime**. 2. A dime is worth ten **cents**. 3. That was a 25% **tip**. 4. A woman gave Maria …
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on a standardized exam, the scores are normally distributed with a mean…
The z - score is 1.
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on a standardized exam, the scores are normally distributed with a mean…
The z - score is \(0.5\)
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question on a standardized exam, the scores are normally distributed wi…
The z - score is $-0.3$.
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on a standardized exam, the scores are normally distributed with a mean…
The z - score is $2.8$.
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a simple random sample of 10 people were asked how many first cousins t…
C. 13
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question on a standardized exam, the scores are normally distributed wi…
0.25
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question on a standardized exam, the scores are normally distributed wi…
-2.4
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a student collected data on the size of coffee chosen by customers at a…
A. 31.3%
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question on a standardized exam, the scores are normally distributed wi…
The z - score is $1.25$.
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on his birthday, hunter received an ounce of gold from his grandfather.…
2001 - 2010
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samir is rating new robot toys. he gives positive scores to the toys he…
Retroslide
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high school students were asked if they preferred fiction or nonfiction…
A. There is an association because the distribution of genre preferences differs among the grade groups.
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question on a standardized exam, the scores are normally distributed wi…
The z - score is $- 0.75$.
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on a standardized exam, the scores are normally distributed with a mean…
2.5
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on a standardized exam, the scores are normally distributed with a mean…
# Explanation: ## Step1: Recall the z -[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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the fuel economies in miles per gallon (mpg) for nine vehicles are list…
C. The mean will increase and the median will not change.
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the roads on pinefrost mountain were closed three times last year becau…
January 9
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a homeowner notices that the electric bill for the house is often much …
C. A power model is appropriate because the scatterplot of log temperature and log bill is roughly linear, and the residual plot shows no distinct pattern.
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when aiden runs the 400 meter dash, his finishing times are normally di…
50.0%
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what is the correct meaning of the word colorful? free of color needing…
D. full of color
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the weight of oranges growing in an orchard is normally distributed wit…
$25.1\%$
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given the least-squares regression line, \\(\\widehat{\\ln(\\text{eleme…
C. 5.468 grams
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passages excerpt from letter from birmingham jail (1963) by martin luth…
B. A mild or vague word that hides harsh reality.
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hansens campground is close to two hiking trails with scenic destinatio…
underground lake
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when hudson goes bowling, his scores are normally distributed with a me…
0.037
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the dotplot below displays the number of math classes taken by a random…
B. (Letter B)
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greg and pat are synchronized divers training for the olympics. their c…
Pat
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passages excerpt from letter from birmingham jail (1963) by martin luth…
A. "We know freedom must be demanded, defended, and declared."
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roy has two dogs, sprinkles and champ. he is concerned because sprinkle…
Champ
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iq scores are normally distributed with a mean of 100 and a standard de…
0.650 (rounded to the nearest thousandth)
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the scatterplot illustrates the relationship between two quantitative v…
This relationship contains more than two unusual points.
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passages excerpt from letter from birmingham jail (1963) by martin luth…
C. "The oppressed must demand freedom."
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which word means the same as really? it was really easy to help my sist…
La palabra que significa lo mismo que "really" en este contexto es "very" (la opción que contiene "very", por ejemplo, si la opción es la tercera, se indicaría como la tercera opc…
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passages excerpt from letter from birmingham jail (1963) by martin luth…
B. "Villages are bombarded, cattle are machine - gunned, huts are set on fire."
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people of different ages were asked the question \do you listen to audi…
Yes, because the scale does not start at 0.
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passage excerpt from letter from birmingham jail (1963) by martin luthe…
C. "Justice too long delayed is justice denied."
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in an all boys school, the heights of the student body are normally dis…
The percentage of students between 65 and 72 inches tall is approximately $83.0\%$ (to the nearest tenth).
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passages excerpt from letter from birmingham jail (1963) by martin luth…
D. "Freedom is never voluntarily given by the oppressor."
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a waitress wondered if there was an association between the type of foo…
pasta
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the weight of oranges growing in an orchard is normally distributed wit…
$0.067$
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passages excerpt from letter from birmingham jail (1963) by martin luth…
B. It makes abstract ideas concrete and memorable.
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brand a and brand b of frozen green beans both list a weight of 32 ounc…
C. The median weight for brand B is less than the median weight of brand A.
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the scatterplot illustrates the relationship between two quantitative v…
A. weak, positive, and linear.
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the scores for 21 students on an exam are summarized in the stemplot be…
D. The mean will increase but the median will be unchanged.
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3 fill in the blank 1 point how many problems did robert get right out …
35
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a produce company packages presliced celery and carrots. let x represen…
D. $\mu_D = 0.25$ inches and $\sigma_D = 0.72$ inches
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at a customer service call center for a large company, the number of ca…
0.421
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kaitlyn and allison took a standardized algebra test in different state…
B. Kaitlyn did better since her z-score is higher than Allison's z-score.
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a nutritionist would like to estimate the number of times adults exerci…
A. This is a convenience sample and likely overestimates the frequency of exercise.
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what does the word chased mean? ran after went with got away fro
A. ran after
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the stemplot below displays the times, in seconds, for 25 students to r…
22,24.5,26,28,30 (the last option)
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brand b 47 47.5 48 48.5 49 49.5 50 50.5 51 51.5 52 52.5 weights (grams)…
The bag weights for brand A have less variability than the bag weights for brand B.
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when marques commutes to work, the amount of time it takes him to arriv…
99.7%
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when landon runs the 400 meter dash, his finishing times are normally d…
The interval of times that represents the middle 95% of his finishing times is from 87 seconds to 91 seconds, or in interval notation \( (87, 91) \) (or \( [87, 91] \) since the d…
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use the table to answer the question. | t | f(t) | |----|------| | 0 | …
B. \( F(t)=-50t + 1000 \)
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question iq scores are normally distributed with a mean of 100 and a st…
The interval representing the middle 95% of IQ scores is \( (70, 130) \)
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at a local restaurant, the amount of time that customers have to wait f…
95%
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when abdoulaye commutes to work, the amount of time it takes him to arr…
95%
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in an all boys school, the heights of the student body are normally dis…
The interval of heights that represents the middle 99.7% of male heights is from 60 inches to 78 inches, so the interval is \( (60, 78) \) (or in the form of \( 60 \) to \( 78 \) …
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5 the dot plots below show the number of hours that part - time employe…
D. 6
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when andrew goes bowling, his scores are normally distributed with a me…
95%
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4 a certain college randomly selected 30 freshman students who complete…
A. The mean score for the day students was higher than the mean score for the night students.
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carter earned a score of 43 on exam a that had a mean of 35 and a stand…
240
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morgan earned a score of 670 on exam a that had a mean of 650 and a sta…
Morgan must score 82 on Exam B.
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on a standardized exam, the scores are normally distributed with a mean…
-2
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question at a local restaurant, the amount of time that customers have …
50.0%
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3 the dot plots below show the number of pages mandee read per day for …
C. 2
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question when avani commutes to work, the amount of time it takes her t…
The percentage of her commutes between 31 and 34 minutes is approximately $\boxed{33.0\%}$
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use the given data to find the equation of the regression line. examine…
A. The graph with x - axis 0 - 25, y - axis 0 - 25, showing a general positive trend with a point at (13, ~13) and other points in lower y for lower x.
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when travis goes bowling, his scores are normally distributed with a me…
99.7%
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13 fill in the blank 1 point label whether the conclusion is valid or i…
invalid
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two pet stores offer customers the opportunity to donate money, in doll…
D. 2
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read the scenario. the nightly news played a big role in shaping public…
C. by questioning the government’s claims (assuming the options are labeled A, B, C, D with C being this option; adjust label as per actual numbering, but the text of the correct …
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tell what each of (a) the residual plots to the right indicates about t…
A. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear
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in a medium - sized city, the chamber of commerce often holds fundraise…
505
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Question was provided via image upload.
valid
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a health food store owner sells home - made peanut butter. she has been…
\(-2\)