Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the exponential model below represents the population of a animal $x$ y…
Every year, the animal increases in population by 8%
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the students in marlys math class recorded the dimensions of their bedr…
The histogram is right-skewed, so the mean is greater than the median.
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gebra i b-cr the graph shows a distribution of data. what is the varian…
0.25
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algebra i b-cr the histogram shows the weekly rates charged by differen…
nearly symmetrical
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last week, the attendance at the golden county museum of history was 32…
First blank: $185$, Second blank: $1.85$ --- To find total expected attendance (full problem context):
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last week, the attendance at the golden county museum of history was 32…
$100\% + 85\% = \boldsymbol{185}\%$ 185% of 320 people is about $\boldsymbol{592}$ people.
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last week, the attendance at the golden county museum of history was 32…
The whole is $\boldsymbol{320}$ people. 200% of the whole is $\boldsymbol{640}$ people. The expected attendance next week is $\boldsymbol{592}$ people.
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select two numbers that round to 3.60 when rounded to the nearest tenth…
c. 3.58, d. 3.64
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algebra i b-cr pre-test complete 1 2 3 4 5 6 7 8 9 the interquartile ra…
Twelve is not an outlier because it is less than the sum of 7 and 6.
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algebra i b-cr pre-test complete 1 2 3 4 5 6 7 8 the box plot represent…
6 (Option C)
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a store sells boxes of crayons. the total number of crayons in differen…
- Correct statements: - There are 48 crayons in 6 boxes of crayons. - There are 24 crayons in 3 boxes of crayons. - There are 56 crayons in 7 boxes of crayons.
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in 2-4, use the information given. brianna has a bag of marbles that ar…
2. - It is impossible that Brianna will draw a blue marble. - It is certain that Brianna will draw either a red, white, black, or green marble. - It is unlikely that Brianna will …
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bags of chips sold by asb per week: 13) use the dot plot to make two bo…
14) 10 15) 10 16) 30 17) 16 18) The range is affected more by outliers. 19-24: Cannot be solved, as no data points (dots) are provided for the quiz scores dot plot. Please add the…
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the ceo of a start-up technology company was interested in the rapid gr…
The predicted number of total employees in the company are multiplied by an additional factor of 1.4 for each increase in one month
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4.nf.4 $4 \\times \\frac{2}{3} = \\underline{\\quad\\quad}$ $3 \\times …
$4 \times \frac{2}{3} = \frac{8}{3}$ or $2\frac{2}{3}$ $3 \times \frac{3}{5} = \frac{9}{5}$ or $1\frac{4}{5}$ $7 \times \frac{1}{3} = \frac{7}{3}$ or $2\frac{1}{3}$ $2 \times \fra…
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the exponential model below represents the balance of an investment, in…
Every year, the investment's balance increases by 4%
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algebra i b-cr which statement is true about the box plots? number of i…
The ranges for the box plots are the same, but their interquartile ranges are different.
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on core algebra i b-cr english the box plots compare the number of stud…
- Both box plots show the same interquartile range. - Mr. Ishimoto had the class with the greatest number of students.
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on core algebra i b-cr pre-test complete 1 2 3 4 the box plot represent…
B. 5
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13. why did brother nickname the baby doodle?a. because he wasnt physic…
13. c. Because he crawled backwards 14. d. Rising action 15. c. Doodle's disability embarrasses the narrator 16. b. Doodle 17. b. Sensitivity 18. b. Pride can cause people to be c…
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on 7icle states:eople often called her fundi. the nickname came from a …
A. To demonstrate how Baker was seen by people who knew her
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az-common core algebra i b-cr mon core algebra i b-cr english the box p…
Mr. Roland's class was more successful because his class's lower quartile was the same as Mrs. Cai's class's upper quartile.
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7. read the following sentence from the story, and then answer the ques…
7. d. Unsophisticated 8. c. General Zaroff 9. b. They are the most dangerous game 10. d. Rainsford kills Zaroff 11. a. Summer and autumn 12. a. He thought the name was too formal …
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common core algebra i b-cr 2 the data set below has a lower quartile of…
The greatest value, 78, is the only outlier.
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common core algebra i b-cr pre-test complete 1 the data set represents …
3 (Option B)
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\cannibals?\ suggested rainsford. whitney: even cannibals wouldnt live …
1. a. Ship-Trap Island 2. c. A horrible place 3. c. "...Even cannibals wouldn't live in such a God-forsaken place." 4. a. Easily felt 5. b. It is a sport for the strong 6. c. Lazi…
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on core algebra i b-cr eng quiz complete time rem: 50: the dot plot sho…
The graph is skewed left.
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the graph shows the number of minutes, to the nearest five minutes, tha…
The mean will decrease, and the median will stay the same.
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the graph shows the ages of different concertgoers who have backstage p…
The two holders of back-stage passes whose ages are above 40 make the mean age higher than the median age.
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given the function defined in the table below, find the average rate of…
$\frac{70}{3}$
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given the function defined in the table below, find the average rate of…
0
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given the function defined in the table below, find the average rate of…
24
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fifteen pairs of measurements were taken at random to estimate the rela…
B. A line is not an appropriate model to describe the relation between X and Y
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given the function defined in the table below, find the average rate of…
5
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a scatter plot with line of best fit is shown. which of the following b…
Weak positive association
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the relative frequency table given describes the orders that students m…
The fourth segmented bar graph (bottom-most one labeled "BBQ Orders") summarises the data.
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13. lily and her children went into a grocery store and she bought $7 w…
Lily bought 2 apples and 10 bananas.
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on core algebra i b-cr englis ms. redmon gave her theater students an a…
The median will decrease. The mean will decrease.
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you pick a card at random. what is p(3 or odd)? write your answer as a …
$\frac{1}{2}$
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you spin the spinner once. what is p(odd or greater than 7)? write your…
$\frac{3}{4}$
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6) complete the table: 7) simplify
| | starting elevation (feet) | change (feet) | final elevation (feet) | |---|---------------------------|---------------|------------------------| | A | +400 | 300 up | +700 | | …
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a scientist is interested in the relationship between the number of egg…
For each increase of one degree Fahrenheit per day, there is an estimated increase of 3.58 hatched eggs.
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the percentage of adolescents ages 13 to 18 owning a cell phone in 2012…
38.875
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az-common core algebra i b-cr justifying a better measure of cent expla…
The median is a better measure of center than the mean when the data set contains extreme outliers or is strongly skewed (either left or right). This is because the median is not …
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common core algebra i b-cr english the data set 80, 84, 79, 44, 87, 73,…
1. skewed left 2. 81.071 3. 83 4. median
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the headright system, land lotteries, and the yazoo land fraud were all…
- **Headright System**: 1. allocation method that was "first come, first served" 2. only distributed land to white settlers - **Land Lotteries**: 1. head of household could receiv…
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common core algebra i b-cr engli the data set 80, 84, 79, 44, 87, 73, 8…
What type of distribution is this? Symmetric (approximately normal) distribution What is the mean? $\approx 81.07$ What is the median? $83$ Which measure of center is the best cho…
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question 15 (multiple choice, 10 points)(21-108-042)the table shows the…
Player A is the most consistent, with an IQR of 1.5
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create a dot plot of the data shown below.20, 21, 21, 25, 20, 23, 27, 2…
The mean would be best, because the data set has a symmetric distribution with no extreme outliers, so the mean accurately represents the typical value of the data. ### Dot Plot S…
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a data set lists the grade point averages of 11th grade students. which…
Histogram, because the data is numerical
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a study shows that 80% of the population of a city have brown eyes and …
0.88; Individuals with brown hair
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a random sample of packages that were delivered by a company showed tha…
The correct table is: | | In-State | Out-Of-State | Total | |------------|----------|--------------|-------| | Delayed | 12% | 28% | 40% | | On Time | 45% | 15% | 60% | | Total | …
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creating a dot plot the data set shown below represents the number of t…
- The range of the number line should be 0 to 7 to represent the frequency. - One family said they ate out 5 times the previous week. - The median best represents the data set.
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13. orlo uses a spool of wire to make 15 necklaces. at this rate, how m…
$\frac{10}{3}$ (or approximately 3.33) spools of wire
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a survey was taken of students in math classes to find out how many hou…
Median, because there is 1 outlier that affects the center
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economic scenarios: pick one to use for your analysis 1. taxpayer funds…
### Opportunity Cost: Studying/Homework ### Costs of Decision 1. Higher risk of lower academic grades 2. Less time for exam preparation 3. Weakened long-term study habit developme…
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common core algebra i b-cr english the data set shown below represents …
- The range of the number line should be 0 to 7 to represent the frequency. - Four families said they ate out twice the previous week. - The median best represents the data set.
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for which of the following distributions is the mean most likely to be …
The fourth histogram (the bottom one with bars decreasing in height from left to right)
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1. adam divide un rectángulo en unidades fraccionarias. a. escribe la f…
a. La fracción unitaria en cada unidad es $\frac{1}{6}$. b. (Se sombrean 4 de las 6 casillas del rectángulo) c. $\frac{1}{6}, \frac{2}{6}, \frac{3}{6}, \frac{4}{6}$ d. No estoy de…
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the heights of basketball players, in inches, on two different teams is…
The All Stars, with a median of 67 inches
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the basketball team at bakersfield high school recorded their wins and …
There is a weak, positive association.
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determining the effect of outliers fredrick hit 14, 18, 13, 12, 12, 16,…
- The mean value is about 12.6 home runs.
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(01.02h mc) the table given shows the length, in feet, of dolphins at a…
There is an outlier at 28 feet
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at a water park, there are several different attractions. the following…
2 categorical, 4 numerical
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determining frequency for a histogram consider the data set shown below…
The interval 44-47 has a frequency of 3 The interval 48-51 has a frequency of 4 The interval 56-59 has a frequency of 1
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the box plots below show the lifespan, in months, of laptop batteries m…
Company D
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write an equation for each problem. then solve. round to the nearest te…
7. $4$ 8. $20\%$ 9. $40$ 10. $3.6$ 11. $45$ 12. $10\%$
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the following is a list of grades that students received on a recent pr…
Histogram
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etermining frequency for a histogram consider the data set shown below.…
The interval 44-47 has a frequency of 2. The interval 48-51 has a frequency of 4. The interval 56-59 has a frequency of 1.
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can \ser\ and \estar\ be used interchangeably? no. both of them mean \t…
No. Both of them mean "to be", but are used differently.
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mon core algebra i b-cr english the table shows the average number of p…
Median = $4.44$ Mean = $4.11$
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1) convert to a decimal: $\frac{9}{200}$ 7) convert to a decimal: $\fra…
1. $0.045$ 2. $0.\overline{36}$ 3. $2.4$ 4. $0.04$ 5. $4.\overline{3}$ 6. $0.01$ 7. $0.\overline{4}$ 8. $0.1\overline{3}$ 9. $4.075$ 10. $3.5$ 11. $0.0\overline{3}$ 12. $10.375$
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find each number. round to the nearest tenth if necessary. 1. 20% of 70…
1. 14 2. 25.9 3. 40.8 4. 24 5. 4 (or 3 if using exact estimate) 6. 15
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name 12. during a trip, martha drove $\frac{1}{6}$ of the time, chris d…
$\frac{7}{12}$ --- ### For Question 13:
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listenread the sentence.the climax of the story was surprisingly dull.i…
turning point
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common core algebra i b-cr english which data distribution would most l…
The first histogram (left-skewed distribution, with the tallest bar on the right and a long tail on the left)
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7. benjamin and his sister shared a large sandwich. benjamin ate $\frac…
A. Estimate: $\frac{1}{2}$ (or close to $\frac{1}{2}$) B. Exact amount: $\frac{16}{35}$
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az-common core algebra i b-cr try it create a histogram with five inter…
14
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z.common core algebra i b-cr create a histogram with five intervals fro…
70
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common core algebra i b-cr creating a histogram create a histogram with…
90
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z-common core algebra i b-cr creating a histogram create a histogram wi…
20
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common core algebra i b-cr try it create a histogram with five interval…
87
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heather is training to run a marathon at the end of the month. the more…
$t$
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az-common core algebra i b-cr creating a histogram create a histogram w…
21
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bernie is making frosting for some cupcakes he baked earlier. the amoun…
c is the independent variable and f is the dependent variable
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lester and jasmine are going on a road trip together. they have a limit…
r is the independent variable and g is the dependent variable
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a small publishing house is taking pre-orders for a novel to be release…
p is the independent variable and c is the dependent variable
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the students in angies spanish class are planning a trip to guatemala, …
s is the independent variable and f is the dependent variable
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listen 1. create means to ________. ○ to pull something apart ○ a crack…
to bring something new into the world
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consider the data shown below. 6, 8, 0, 2, 2, 8, 7, 8, 4, 8, 6, 3, 8, 2…
The median would be better, because the data is clustered at two ends (bimodal), so the median, which sits at the midpoint of the sorted data, better reflects a typical central va…
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try it brenna rolled a number cube 16 times and recorded each roll. the…
5
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repeating decimals change $\frac{7}{22}$ to a decimal. step 1: divide u…
1. $0.\overline{72}$ 2. $0.58\overline{3}$ 3. $0.\overline{4}$ 4. $0.\overline{45}$ 5. $0.8\overline{3}$ 6. $0.58\overline{3}$ 7. $0.0\overline{4}$ 8. $0.2\overline{3}$ 9. $0.\ove…
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analyzing two data sets amber and chloe recorded the number of minutes …
- Amber's data set contains an outlier. - The median describes Amber's data more accurately than the mean. - The difference between the mean and median of Amber's data set is grea…
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question 7 (1 point) the \consent of the governed\ means democratically…
Question 7: democratically elected Question 8: Kings were in place through God's will and had unquestioned authority
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attend to precision in carys basketball career, hes made 80% of his fre…
The range of successful free throws is 150 to 170.
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there are 36 students in franks class. 27 of them are buying lunch toda…
$\frac{3}{4}$
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1) usually, the flag is flown at the top of a flagpole. but if somethin…
to show respect for soldiers who died in wars
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read the passage. then answer each question. orson welless war of the w…
1. b) state of shock 2. a) heartless 3. c) destroyed 4. a) mistreatment 5. Example prepositional phrase: *on an October night* (from the first paragraph) 6. Example writing: The s…
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the american flag makes many people in the united states proud. so ther…
1. raising it up so it is higher than other flags 2. folding it carefully when it is not on a flagpole
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the number of veggie burgers sold at a restaurant in houston, texas, wa…
357