Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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4. war veterans approximately 11% of the civilian popu - lation are vet…
The probability that none are veterans is approximately \(0.559\). The probability that at least 1 is a veteran is approximately \(0.441\)
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the distribution of the number of hours that a random sample of people …
\(16.9\)
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18. t - shirt factories two t - shirt printing factories produce t - sh…
\(\frac{5}{9}\approx0.556\)
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the distribution of the number of hours that a random sample of people …
| Class | Frequency, \(f\) | |-------|------------------| | \(0 - 4\) | \(6\) | | \(5 - 9\) | \(9\) | | \(10 - 14\) | \(23\) | | \(15 - 19\) | \(18\) | | \(20 - 24\) | \(16\) | | …
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the mean score on a statistics exam is 80 points, with a standard devia…
At least \(75\%\) of the exam scores fall between \(68\) and \(92\).
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the mean value of land and buildings per acre from a sample of farms is…
Which of the farms are unusual (more than two standard deviations from the mean)? Select all that apply: B. \(\$249\), F. \(\$1856\) Which of the farms are very unusual (more than…
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the mean value of land and buildings per acre from a sample of farms is…
B. \(\$249\), F. \(\$1856\)
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the mean value of land and buildings per acre from a sample of farms is…
\(E = 0.68\times27=18.36\approx18\) farms out of \(27\)
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\optimism\ helen keller if we choose our environment, and were desire i…
purpose
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the mean value of land and buildings per acre from a sample of farms is…
\(50\)
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use the empirical rule. the mean speed of a sample of vehicles along a …
Approximately $68\%$ of vehicles travel between 65 miles per hour and 71 miles per hour.
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construct a data set that has the given statistics. n = 7 x = 13 s = 0 …
The data - set is \(\{13,13,13,13,13,13,13\}\)
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construct a data set that has the given statistics. n = 7 \\( \\overlin…
The data set is \(\{13,13,13,13,13,13,13\}\)
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2. the cost of water per gallon varies depending upon where in the stat…
Residents in the north Georgia city would pay more. They would pay \(63.75\) dollars more. We know this by first calculating the unit - rate (cost per gallon) for each city. For t…
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construct a data set that has the given statistics. n = 7 \\( \\overlin…
The sample mean of the 7 values in the sample data should be \(13\). A data set that satisfies \(n = 7\), \(\bar{x}=13\), and \(s = 0\) is \(\{13,13,13,13,13,13,13\}\).
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construct a data set that has the given statistics. n = 7 \\overline{x}…
For the first question: A. The number of values in the sample data set. For the second question: A. The mean of the sample data set.
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construct a data set that has the given statistics. n = 7 \\( \\overlin…
A. The number of values in the sample data set. 7
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construct a data set that has the given statistics. n = 7 \\( \\overlin…
A. The number of values in the sample data set.
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in game 1, emerson struck out 30 times in 90 times at bat. in game 2, h…
112
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the numbers of courses taught per semester by a random sample of univer…
\( 2.8 \)
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the ages (in years) and heights (in inches) of all pitchers for a baseb…
B. Ages are more variable than heights for all pitchers on this team.
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the ages (in years) and heights (in inches) of all pitchers for a baseb…
\(4.3\)
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the ages (in years) and heights (in inches) of all pitchers for a baseb…
\(4.3\)
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sample grade point averages for ten male students and ten female studen…
D. The grade point averages of males are more variable than females.
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sample grade point averages for ten male students and ten female studen…
\(24.3\)
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making decisions means choosing the loan offer that has the most favora…
1. loan 2. amortization 3. debt 4. interest 5. credit
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sample grade point averages for ten male students and ten female studen…
\(23.6\)
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construct a data set that has the given statistics. n = 7 \\( \\overlin…
A. The number of values in the sample data set.
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 d…
\(6,6,9,12,9,12\)
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construct a data set that has the given statistics. n = 6 μ = 0 σ = 3 b…
The data - set \(\{-3,-3,0,0,3,3\}\) satisfies \(N = 6\), \(\mu = 0\) and \(\sigma=3\)
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 a…
- First question: C. The number of values in the population data set. - Second question: B. The mean of the population data set. - Third question: D. The spread of the data from t…
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 w…
9
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 w…
For the question about \(N\): C. The number of values in the population data set. For the question about \(\mu\): B. The mean of the population data set.
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 w…
6
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construct a data set that has the given statistics. n = 6 μ = 9 σ = 3 w…
C. The number of values in the population data set.
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compare the three data sets on the right. (a) which data set has the gr…
a) A. Data set (iii), because it has more entries that are farther away from the mean. b) C. Data set (i), because it has more entries that are close to the mean.
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compare the three data sets on the right. (a) which data set has the gr…
A. Data set (iii), because it has more entries that are farther away from the mean.
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compare the three data sets on the right. (a) which data set has the gr…
(a) B. Data set (i), because it has two entries that are far away from the mean. C. Data set (iii), because it has more entries that are close to the mean. (b) B. The three data s…
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compare the three data sets on the right. (a) which data set has the gr…
- (a) A. Data set (ii), because it has more entries that are farther away from the mean. - Second question: C. Data set (iii), because it has more entries that are close to the me…
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compare the three data sets on the right. (a) which data set has the gr…
B. Data set (i), because it has two entries that are far away from the mean.
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you are applying for a job at two companies. company a offers starting …
B. Company B, because data values that lie within one standard deviation from the mean are not considered unusual.
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the ages (in years) of a random sample of shoppers at a gaming store ar…
$3.5$
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which one means i love the hamburgers? (1 point) nos encantan las hambu…
Me encantan las hamburguesas.
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the ages (in years) of a random sample of shoppers at a gaming store ar…
The variance is \(12.5\)
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is the relationship proportional? the points lie on a? line that? throu…
The points lie on a straight line that passes through the origin. That means the relationship is proportional.
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the depths (in inches) at which 10 artifacts are found are listed. comp…
\(24.5\)
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find the range of the data set represented by the graph. the range of t…
\(26\)
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discuss the similarities and the differences between the empirical rule…
C. Both estimate proportions of the data contained within \(k\) standard deviations of the mean.
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what does it mean if a credit card has a cash - back reward program? a.…
C. It refunds a percentage of purchases
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a deck of cards has 4 suits: hearts, clubs, diamonds, and spades. each …
B. \(\frac{15}{51}\)
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read the passage and answer the questions. more than a recipe nina spen…
It adds to the comfort Nina feels when she is able to disconnect from ordinary life and simply spend time with her mother and grandmother in Canada.
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of the following data sets, which has the greatest range? a. {3,4,5,6,7…
B. \(\{1,5,3,11,6\}\)
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15. the average of 8, 14, and x is 11. what is the value of x? 11 8 12 …
\(x = 9\) (Since there is no option with \(9\) in the provided choices, there might be an error in the problem setup or options. But following the calculation \(\frac{8+14 + x}{3}…
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b. the yearlong grade of three students for four different years is sho…
The average year - long grade of the three students in 2024 was greater than the average year - long grade in 2023.
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5. the table shows the number of members of a local chess club who atte…
\(21\)
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4. the distance that ken ran for each of 5 days is shown in the table. …
\(4.8\) miles
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\gdp per capita\ means that the gdp is calculated per dollar. day. pers…
person
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2. the circle graph gives the distribution of salad dressing chosen by …
\(45\)
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1. the table below gives the temperature in degrees fahrenheit for 5 ri…
Any value \(x\) such that \(x\) is a real number (since temperature is a real - valued quantity) and there is no upper or lower bound restriction other than the nature of temperat…
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4. what did expansionists mean by the term manifest destiny? the united…
It was God's will that the United States own all of North America.
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but that the same god has endowed us with senses, reason, and understan…
God gave humanity the ability to make such discoveries.
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tiktok use vs. has a bedtime has set bedtime no set bedtime total uses …
(a) \(\frac{19}{45}\) (b) \(\frac{14}{45}\)
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use the table below to answer the questions. if a student is randomly s…
- Probability of selecting a girl: \(\frac{19}{30}\) - Probability of selecting a boy who can bike: \(\frac{7}{30}\) - Probability of selecting a girl or a student who can bike: \…
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use the table below to answer the questions. if a student is randomly s…
\(\frac{19}{30}\), \(\frac{7}{30}\), \(\frac{13}{15}\), \(\frac{7}{11}\)
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a class of 300 students were asked about their favorite sport and wheth…
| | Watches Sports on TV | Doesn't Watch Sports on TV | Total | |---|---|---|---| | Soccer | 70 | 30 | 100 | | Basketball | 50 | 40 | 90 | | Tennis | 40 | 70 | 110 | | Total | 160…
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14. how do insurance companies calculate the premium amount? a. based o…
B. Using probability and risk assessment of the insured item or person
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answer the questions below. (a) the 9 members of the swim team complete…
a. Median b. Mean c. Mode
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determine the meaning of the underlined phrases in the context of the p…
marriage → union Time's fool → subject to the whims of change bending sickle's compass → in the range of its impact edge of doom → infinity
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growth investing provides the best method for growing an investment in …
1. Growth stocks offer substantial increases due to a company's solid fundamentals over time. 2. Walgreens has a higher market cap, larger prescription - drug market share, and hi…
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how do insurance companies calculate the premium amount? a. by the tota…
B. Using probability and risk assessment of the insured item or person
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the scatter plot shows leannas elevation above sea level during a hike.…
The y - intercept is \(663.2\), the slope is \(13.56\), the equation of the trend line is \(y = 13.56x+663.2\), and she will be \(1476.8\) feet above sea level after one hour.
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read the following excerpt from levitt and dubners freakonomics. a key …
a contrast between different types of crime.
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read the excerpt from frederick douglasss speech \what to the slave is …
by repeating the word “you” to directly relate to the reader
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scenario: justice scalias approach to constitutional interpretation dur…
Originalism — interpreting the Constitution based on its meaning at the time it was adopted.
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complete the sentence. amendment nine talks about the enumeration of ri…
list
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4 hector wants to buy a new computer monitor. the prices and payment op…
Store A has a greater monthly payment. Store A's monthly payment is $50, while Store B's monthly payment (calculated as the magnitude of the slope of its graph) is $25.
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1 on behalf of the great state of illinois, crossroads of a nation, lan…
For the meaning of "retribution": punishment. For the clue: “without fear of”.
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24 multiple choice 3 points which reaction best defines macbeths state …
Shocked into silence and life’s lack of meaning
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question 6 for kant, being an end in oneself means all of the following…
- **Question 6**: 4. A person can be used as a means with their consent - **Question 7**: 3. Are responsible for their actions as maxim - makers - **Question 8**: 4. Categorical i…
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khaled has found a reliable chart that reports statistics on the increa…
its publisher and date of publication
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multiple select question select all that apply which of the following s…
Poor communities have far fewer resources for schools than wealthier communities. Children in well - off neighborhoods are more likely to attend schools with proper funding. Wealt…
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15 multiple choice 3 points when macbeth says tomorrow, and tomorrow, a…
despair and meaninglessness of life
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passages of us went out. its not that we didnt spend time together, but…
B. explain why the narrator’s father might have had difficulty bonding with the narrator.
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8. the ______ music playing in the dentists office * helped the patient…
8. c. ambient 9. d. ambivalent 10. b. amphitheater 11. c. "under," "beneath," "down," or "below normal"
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4. when we backpacked through europe, we stayed in a * mark only one ov…
4. d. hostel 5. c. inhospitable 6. c. "on both sides" or "around" 7. a. ambiguous
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latin roots quiz #4 (weeks 10, 11, & 12) * indicates required question …
1. B. "host" and "guest" 2. C. hostage 3. B. hospice
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project yellow light is holding a contest to get ideas for a texting - …
a clip from an interview with a highway patrol officer
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8. read this sentence from the text: walkers rock snake has even inspir…
encouraged
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describe the type of association each scatter plot shows. 15. 16.
16. Negative association; 15. No association
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read the two passages passage 1 the need for standardized testing in ed…
Passage 1 uses empirical evidence, while passage 2 uses logical evidence.
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4. compare two functions the dufres zoo recently celebrated the birth o…
For the growth - rate - difference question: C. Mash is growing faster by three pounds per week. For the initial - weight - difference question: B. Mash was heavier by 9 pounds.
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60 out of the 80 students at a school assembly were first - grade stude…
$75\%$
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mr. e pep talk - your success which of the following is true of a stron…
Having a strong work ethic means doing what needs to be done when it needs to be done.
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at the craft store, dwayne bought a bag of red and blue marbles. he rec…
$75\%$
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the sixth - graders at marianas school got to choose between a field tr…
$100\%$
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the art club had an election to select a president. 19 out of the 38 me…
$50\%$
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which statement is characteristic of a communist system? choose four an…
- The government controls the means of production. - The government regulates a centrally planned economy. - Prices and wages are set by the government. - A single authoritarian p…
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11 out of the 44 employees at the sports shop are part - time employees…
$25\%$
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a t distribution with 6 degrees of freedom is graphed below. the region…
\(-1.943\)
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what should you avoid during a socratic seminar? * supporting ideas wit…
- First Question: Side conversations - Second Question: Reflection - Third Question: Focusing on the original text or question