統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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is the following a statistical question? how many nickels are in one do…
no
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a prefix and a(n) are word - elements that modify the core meaning of t…
suffix
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there are two types of fresco: fresco secco, which means dry fresco, an…
B. buon
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recall from question 4 that the critical value for the parameters of th…
The null hypothesis cannot be rejected and the difference between the observed and the expected values can be explained by chance.
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match the word elements on the left with the proper description on the …
hypo - Prefix, meaning below, under, or less than normal ia - Suffix, denoting a condition therm - Root, related to heat
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36) a. everyday person, but, to me when i say “settle down” i mean b. e…
36) E. correct as is 37) E. correct as is 38) E. correct as is 39) E. correct as is 40) E. correct as is
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lets start by taking a look at an example evaluating a squared: 3² = 3 …
A. Multiply the number by itself.
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we have that a loan of $6000 is given at an interest rate of 17% compou…
(a) $7020 (b) $8213.40
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8 multiple choice 10 points which of the following scales of measuremen…
8. Interval or ratio scales 9. False 10. True
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6 multiple choice 10 points which of the following frequency - distribu…
6. a histogram 7. an asymmetrical distribution
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5 multiple choice 10 points for the following grouped frequency distrib…
This cannot be determined.
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multiple choice 10 points for the following frequency distribution, wha…
25
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3 multiple choice 10 points for the following frequency - distribution,…
37
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1. true or false 10 points. in a frequency - distribution table, it is …
1. True 2. C. 14
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question 4 thinking about the meaning of a word and categorizing it int…
A. semantic
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the following is the average daily temperature for portland, oregon for…
| Temperature | Frequency | Relative Frequency | Cumulative Frequency | Cumulative Relative Frequency | | ---- | ---- | ---- | ---- | ---- | | 70 - 74 | 7 | 0.2333 | 7 | 0.2333 | …
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a birthday party caterer counted the number of juice cups on the table.…
$\frac{1}{10}$
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the graph below shows the number of stores for each year. the ordered p…
D. In 2009, there were 3626 stores.
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at a hot air balloon festival, brad made note of how many passengers we…
# Explanation: ## Paso 1: Calcular el número total de globos multicolores Sumamos los valores de la columna "Multicolored": $6 + 14+17 + 3=40$. ## Paso 2: Identificar el número de…
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a college professor asked her psychology students to complete a persona…
$1$
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a flight attendant looked over a list of recent passengers. the list co…
$\frac{3}{4}$
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ariel was the lucky journalist assigned to cover the best beard competi…
# Explicación: ## Paso1: Calcular el número total de participantes con barba roja Sumamos los participantes con barba roja que solo están en el concurso de barba y los que también…
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on the first day of music class, students submitted a survey. one surve…
# Explicación: ## Paso 1: Encontrar el número de estudiantes que prefieren rock Sumamos los estudiantes que prefieren rock y cantan 0 veces y 1 - 2 veces a la semana. Es decir, $5…
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an online store sells a variety of photo albums. the albums range in ph…
# Explicación: ## Paso1: Identificar el número de álbumes verticales con menos de 50 fotos El número de álbumes verticales con menos de 50 fotos es 5. ## Paso2: Identificar el núm…
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a clown made purple, green, and yellow balloon animals at a party. he k…
# Explicación: ## Paso 1: Encontrar el total de balloon - animales en forma de perro Sumamos los valores de la columna "Dog": $10 + 8+9=27$. ## Paso 2: Encontrar el número de ball…
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janelle is a physical therapist who specializes in pediatric leg injuri…
$\frac{3}{8}$
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after growing tired of squinting while driving, percy went shopping for…
$\frac{10}{23}$
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deion entered his sister into their town’s smelly shoe competition. dei…
\(\frac{6}{11}\)
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a skating rink attendant monitored the number of injuries at the rink o…
# Explicación: ## Paso 1: Identificar el número de adultos lesionados El número de adultos lesionados es la suma de adultos con patines en línea y adultos con patines de rodillo. …
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the following is the average daily temperature for portland, oregon for…
| Temperature | Frequency | Relative Frequency | Cumulative Frequency | Cumulative Relative Frequency | | ---- | ---- | ---- | ---- | ---- | | 70 - 74 | 7 | 0.2500 | 7 | 0.2500 | …
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a student believes there is a correlation between the number of texts s…
The slope is -0.3. Starting at 3.6, the GPA will decrease by 0.3 for every text sent in class.
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grade geometry algebra ii pre - calculus ap statistics total 10th 20.7%…
The student calculated the conditional relative frequency for students who are in 10th grade, given that they are enrolled in Geometry. The correct value of the joint relative fre…
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determine the equation for a line of fit for the data. $hat{y}=-1.31x +…
$\hat{y}=1.31x + 0.02$
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basic measures of center -2 score: 5.94/23 answered: 1/4 progress saved…
$14.61$
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what percentage of the friends like mushroom and pepperoni pizza? 10% 2…
30%
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hint 1 hint 2 hint 3 hint 4 hint 5 below are iq scores from 30 randomly…
Part 1: 104.2 Part 2: 102.5 Part 3: 122 Part 4: 106.5 Part 5: The distribution will probably be skewed to the right.
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use the appropriate formulas and methods to answer the following questi…
Part 1 of 6: 104.2 Part 2 of 6: 102.5 Part 3 of 6: 122 Part 4 of 6: 106.5
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complete the text with the best word or phrase. \july and august are of…
On the other hand
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score: 5.94/23 answered: 0/4 progress saved done √0 use the appropriate…
Part 1: 104.2 Part 2: 102.5 Part 3: 122
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data were collected on the distance a baseball will travel when hit by …
271.93 yards
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basic measures of center -2 score: 5.94/23 answered: 0/4 progress saved…
102.5
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a group of 15 athletes participated in a golf competition. their scores…
Dot plot, because a small number of scores are reported individually
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basic measures of center -2 score: 5.94/23 answered: 0/4 progress saved…
$\frac{1553}{15}\approx103.53$
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calculate the mean, median, and mode of the data. based on the results,…
Mean, median, mode
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below are iq scores from 30 randomly - selected adults. { 60, 70, 79, 7…
For the question "How would this affect the mean?": The mean would get smaller. For the question "How would this affect the median?": The median would not change.
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using technology, calculate the weighted mean of the rors for each port…
Portfolio 2, Portfolio 3, Portfolio 1
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below are iq scores from 30 randomly selected adults. { 60, 70, 79, 79,…
Part 1: 100.3 Part 2: 102.5 Part 3: 124 Part 4: 92 Part 5: The distribution will probably be skewed to the left.
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use the appropriate formulas and methods to answer the following questi…
$92$
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use the appropriate formulas and methods to answer the following questi…
124
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responding to literary fiction when critically engaging with literary f…
1. First, read "The Magic Shop" by HG Wells as assigned. Research the story's context, such as the time period it was written, the author's life and other works that might have in…
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below are iq scores from 30 randomly selected adults. { 60, 70, 79, 79,…
102.5
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below are iq scores from 30 randomly selected adults. { 60, 70, 79, 79,…
101
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below are iq scores from 30 randomly selected adults. { 78, 82, 88, 88,…
Part 1: 104 Part 2: 103.5 Part 3: 98 Part 4: 104 Part 5: The distribution will probably be skewed to the right. Part 6: The mean would get smaller. Part 7: The median would not ch…
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part 3 of 6 now give the mode of the data set. if there is more than on…
For the effect on the mean: The mean would get smaller. For the effect on the median: The median would not change.
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a student surveyed some friends about their favorite type of ice cream.…
Part A: For example, if choosing Pistachio, the percentage is approximately $33.33\%$. Part B: No. The sample (friends of a student) is small and not randomly - selected from the …
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below are iq scores from 30 randomly selected adults. { 78, 82, 88, 88,…
Part 1: 104 Part 2: 103.5 Part 3: 98 Part 4: 104 Part 5: The distribution will probably be skewed to the right.
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use the appropriate formulas and methods to answer the following questi…
$104$
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below are iq scores from 30 randomly selected adults. { 78, 82, 88, 88,…
98
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colleges and universities help students to succeed and graduate. they a…
1. D. Social institutions 2. D. How individuals understand their own and others' pasts in relation to history and social structure.
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hint 1 hint 2 hint 3 hint 4 hint 5 below are iq scores from 30 randomly…
103.5
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the town mayor uses the graph to claim that the town is very pet friend…
Part A: The mean of the data is 4.65. Part B: The median of the data is 4.5. Part C: The mode of the data is 4. Part D: The distribution is approximately symmetric or slightly rig…
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qualitative sociology can be defined as: statistical methods such as su…
First question: In - depth interviews, focus groups, and/or analysis of rich content sources as the source of its data. Second question: We can use multiple frameworks to derive d…
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below are iq scores from 30 randomly selected adults. { 78, 82, 88, 88,…
104
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below are iq scores from 30 randomly selected adults. { 77, 80, 84, 85,…
Part 1: 103.6 Part 2: 107 Part 3: 108 Part 4: 107 Part 5: The distribution will probably be skewed to the left.
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use the appropriate formulas and methods to answer the following questi…
$107$
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question 1 7 pts 0 - 1 3 details use the appropriate formulas and metho…
108
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below are iq scores from 30 randomly selected adults. { 77, 80, 84, 85,…
$107$
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below are iq scores from 30 randomly selected adults. { 77, 80, 84, 85,…
$103.6$
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hint 1 hint 2 hint 3 hint 4 hint 5 below are iq scores from 30 randomly…
Part 1: 96 Part 2: 98.5 Part 3: 98 Part 4: 92.5 Part 5: The distribution will probably be skewed to the left. Part 6: The mean would get smaller. Part 7: The median would not chan…
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hint 1 hint 2 hint 3 hint 4 hint 5 below are iq scores from 30 randomly…
Part 1: 96 Part 2: 98.5 Part 3: 98 Part 4: 92.5 Part 5: The distribution will probably be skewed to the left.
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below are iq scores from 30 randomly selected adults. { 60, 63, 78, 81,…
$92.5$
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below are iq scores from 30 randomly selected adults. { 60, 63, 78, 81,…
Part 1 of 6: 98 Part 3 of 6: 98
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below are iq scores from 30 randomly selected adults. { 60, 63, 78, 81,…
Mean: 99 Median: 98.5
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what order do you sort data into? number and text sort and filter advan…
D. Ascending and Descending
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the declaration of independence says, all men are created equal, ... en…
B. All men have rights that cannot be taken away.
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a bakery sells 10 types of sandwiches. here are their calorie amounts. …
(a) $Q1 = 597$ $Q3 = 615$ (b) $IQR = 18$ (c) Lower boundary: $570$ Upper boundary: $642$ (d) Outliers: $282$
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the line graph shows the number of students per teacher in public eleme…
15.2
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a. distance (miles) b. snowfall (inches) c. city choose the correct sca…
B. Snowfall (inches) C.
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what is the conditional relative frequency of having more than one dog,…
$0.464$
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using technology, determine the line of fit, where x represents the ave…
$\hat{y}=3.8x - 109.2$
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which of the following equations is the best model for a line of fit fo…
$\hat{y}=-0.75x + 17$
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which of the following equations is the best model for a line of fit fo…
$\hat{y}=-1.34x + 21.5$
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3 (02.02 lc) amanda will be 21 years old when she graduates. if the mea…
$1,374,360.00$
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1. (02.02 mc) the following are beginning salaries for a certain indust…
$28,915.00$
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the following are beginning salaries for a certain industry in differen…
$37,045.05
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predict the amount of prize money in year 10 of the contest.
12 (estimated value based on visual trend analysis)
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a school is studying math for data and financial literacy standardized …
Stem - and - leaf plot, because test scores are numerical
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the following histogram portrays data about the average age range of co…
The largest group of consumers are people ages 20 - 30. The smallest group of consumers are people ages 50 - 60.
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a stem - and - leaf plot shows the average life expectancy of various p…
The data set is {2, 6, 11, 13, 15, 25, 31, 40, 51}
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a group of 25 students participated in a science competition. their sco…
Histogram, because a large number of scores are reported as ranges
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2.1 and 2.2 solve linear equations homework score: 18/24 answered: 20/2…
$4s - 8$
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the middle 50% of responders were within how many years of one another?…
There is not enough information in the question to calculate the value. But if we assume we are choosing from the given options, any of A. 7, B. 8, C. 10, D. 9 could potentially b…
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how does the analogy in this cartoon clarify the cartoonists meaning? c…
Comparing the woman's positivity to the man's negativity shows that the cartoonist wants us to consider both sides of the topic.
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2.2 homework question 10 of 10 (1 point) | question attempt: 2 of unlim…
For the interval 12 - 13, frequency = 7; 14 - 15, frequency = 5; 16 - 17, frequency = 7; 18 - 19, frequency = 7; 20 - 21, frequency = 8; 22 - 23, frequency = 0; 24 - 25, frequency…
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an example of this category of ethics is this course, ethics and the in…
Applied ethics
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consequences affect life, not motives. attempts to provide a general th…
- The ends justify the means: Utilitarianism - Asks "what traits of character make one a good person?": Virtue ethics
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3. you have been asked to represent this data in a box plot. answer the…
On the box - plot: - The left - most whisker starts at the minimum value $4$. - The left side of the box is at $Q_1 = 16$. - The line inside the box is at the median $Q_2=32$. - T…
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#3 what is the meaning of the driving principle: \the hands follow the …
B. Your hands will naturally pull the steering wheel in the direction you look.
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forty children were asked to name their favourite sport. how many of th…
10
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a group of people were asked to tell their favourite movie genre. the d…
Action