統計與機率
資料分析、機率分佈、假設檢定與統計方法。
-
complete the statements. a positive relationship between two variables …
1. increases 2. decreases
-
suppose that the cumulative relative frequency table below shows the da…
76
-
analyze the table representing five experiments with an increasing numb…
With more trials, the frequency of heads up will equal the frequency of tails up.
-
suppose that the cumulative relative frequency table below shows the da…
75
-
which word means the opposite of permettre? vivre commettre interdire o…
interdire
-
suppose that the cumulative relative frequency table below shows the da…
75
-
what does the italicized word mean in the following sentence? il faut o…
to open
-
latasha was presented with the following data set and argued that there…
LaTasha is correct. There is no linear correlation between \(x\) and \(y\) as the slope of the regression line is \(0\).
-
suppose that the frequency table below contains data on female life exp…
77
-
kardal did a study to determine the correlation between mens heights, x…
No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted.
-
heather is training for a long - distance run. her data points listed b…
$4.9$
-
which temperature values would an interpolation be limited to? less tha…
between 3 and 60
-
john sells frozen fruit bars at a stand in a park during the summer mon…
There are approximately 1 more fruit bars sold for every 1 degree the temperature rises.
-
use the regression line for the data in the scatter - plot to answer th…
$\frac{1}{2}$ of a goal
-
indicate whether each of the following two questions is a statistical q…
a. Not a statistical question. There is no variability in the answer for the weight of a single dog. b. Statistical question. There is variability in the weights of different dogs…
-
4. how many articles are in the english bill of rights? * 10 13 20 3 5.…
4. B. 13 5. B. James Madison 6. D. Successor
-
28 refers to a prediction about the probability of an event based on th…
C. The availability heuristic
-
which scenarios have a negative correlation? check all that apply. the …
- the number of calories consumed and the amount of weight lost by a person - the thickness of the ice on a lake and the likelihood of falling through the ice
-
davis performed an experiment in which he spun a 4 - color spinner 20 t…
No. The frequencies and probabilities for red and green segments might change in the next experiment.
-
sarah and david are high school volunteers in the hospital. during thei…
1. Yes, their conversation violated HIPAA. 2. A private, secure room away from public areas. 3. It means using only the required amount of protected health information; they share…
-
lesson 5 suffixes a suffix added to the end of a base - word changes th…
1. careful, full of care 2. truthful, full of truth 3. famous, full of fame 4. soften, to make soft 5. downward, in the direction of down 6. lightness, quality of being light 7. e…
-
which scatterplot shows no correlation?
The scatter - plot where the points are most randomly distributed without any upward, downward, or curved trend shows no correlation. Without specific labels for each plot, it's n…
-
ancient sumer why do historians classify ancient sumer as a civilizatio…
Historians classify ancient Sumer as a civilization because it had complex city - states, a writing system (cuneiform), advanced agriculture, social hierarchies, and religious ins…
-
which scatterplot shows no correlation?
The scatter - plot where the points are randomly distributed with no visible pattern (either linear or non - linear) shows no correlation. Without specific labels for the plots, y…
-
for the pair of quantities given, decide if they are likely to be posit…
positively correlated; increases
-
select \spin\ to start the spinner. perform the experiment by spinning …
purple; $\frac{3}{7}$
-
what is the diagram of the independent and dependent variables called? …
A. scatter plot
-
set b choosing the right word select the boldface word that better comp…
1. prattling 2. latent 3. accomplices 4. morose 5. annihilated 6. opaque 7. exodus 8. stagnant 9. succumb 10. brazen 11. prattle 12. brazen
-
mason practiced basketball free throws and kept track of the results in…
Mason compared the number of free throws made to the number of free throws missed.
-
1 indicate whether each of the following two questions is a statistical…
1. a. Not a statistical question. b. Statistical question. 2. Numerical.
-
select the correct answer from each drop - down menu. let b(t) be the n…
30 means that after 9 months the number of unread books remaining is 30.
-
is the phrase in bold a direct object, an indirect object, or neither? …
B. indirect object
-
devin recorded the number of hours he played a video game, x, and the l…
$3.0$
-
completing the sentence choose the word from the word - bank that best …
1. incorrigible 2. facilitate 3. servitude 4. reprimand 5. arbitrary 6. catalyst 7. militant 8. slapdash 9. paramount 10. rebut
-
the regression calculator shows the relationship between the hours devi…
5
-
british perspective questions 1. why did british soldiers make their wa…
1. To take control of munitions and arrest Sam Adams. Their second - goal was related to suppressing the rebellion. 2. With the greatest speed and confidentiality. 3. The colonist…
-
which statements about experimental probability are true? experimental …
- Experimental probability is written as a ratio. - Experimental probability is found by conducting trials of an experiment. - Experimental probability includes the number of time…
-
read the passage. the debate over whether online friendships can rival …
While in - person friendships have unique benefits, online friendships can be equally meaningful.
-
1. for each of the following, determine whether the question is a stati…
a. Not a statistical question b. Not a statistical question c. Statistical question d. Statistical question e. Statistical question f. Statistical question g. Statistical question…
-
2. given the table, determine whether the amount of money earned is pro…
The amount of money earned is proportional to the number of hours worked. The constant of proportionality is $6.5$, which means the hourly wage is $6.5$ dollars per hour.
-
1. decide whether the following questions are statistical questions. gi…
1. All of a, b, c, d, e are statistical questions due to data variability. 2. a. How many pets do the teachers in our school have? b. How many points did the high - school soccer …
-
rita is starting a running program. the table shows the total number of…
\(y\approx1.671x + 4.700\)
-
3. answer these questions based on the graph above. a. how much rain fe…
a. 2 inches b. 4 inches c. 1990 d. May
-
question 28, r3.6.39 part 1 of 2 the average, or mean, t, of three exam…
(a) $r = 3T - z - w$ (b) $86$
-
the personal distribution of income in the united states shows that the…
The richest 20 percent of individuals receive approximately 50 percent of total income.
-
14. communication a panel of hockey analysts gives 8 to 1 odds against …
The Montreal Canadiens are more likely to win the Stanley Cup because their probability of winning ($\frac{1}{9}\approx0.111$) is higher than that of the Vancouver Canucks ($\frac…
-
select the word that means very noisy and lively. for robotics competit…
boisterous
-
match the scenario to the probability of it occuring. flipping a coin t…
flipping a coin to get tails up: $\frac{1}{2}$ pulling a white marble from a bag of 2 white marbles and 4 red marbles: $\frac{1}{3}$ rolling a 3 on a number cube: $\frac{1}{6}$ sp…
-
select the word that means the right to vote. the twenty - sixth amendm…
Suffrage
-
grace was offered a job after college earning a salary of $30,000. she …
$38000$
-
mariah has a spinner that has 10 equal sections, each containing a diff…
Mariah should have used a 3 in the numerator because there are 3 numbers greater than 7.
-
there are slips of paper that are numbered from 1 to 15 in a hat. what …
$\frac{7}{15}$
-
which table shows negative correlation? | x | y | |----|----| | 1 | 19 …
The second table shows negative correlation.
-
the spinner is divided into 8 equal sections. which two events have the…
P(gray), P(green)
-
a spinner is divided into 8 equal sections, and each section contains a…
B. $\frac{1}{8}$
-
a bag of marbles contains 4 green marbles, 3 blue marbles, 2 red marble…
14
-
which event has theoretical probability of exactly $\frac{1}{5}$? selec…
- spinning a number less than 3 - spinning a 4 or 5 - spinning a number greater than 8
-
read the poem eprise.\ geniuses of countless nations have told their lo…
They reveal that, despite poking fun at the clichés of romantic poetry, the speaker finds fresh meaning in them when thinking about his loved one.
-
the spinner is divided into 10 equal sections. which event has theoreti…
spinning a number less than 3, spinning a 4 or 5
-
margaret is playing a game with a standard deck of 52 cards which conta…
$\frac{1}{13}$
-
what does business casual attire mean? casual and comfortable clothing …
B. A balance between professional and comfortable attire
-
read the passage. the desert surface of southern peru harbors an ancien…
Given that the practice of creating earth art preceded Nazca cultural dominance, the Nazca people likely adapted and refined preexisting ceremonial traditions for their specific e…
-
eva bought a bag containing 75 small candies. she starts eating the can…
53
-
2. alto chant (p. 28) – a deep, musical sound (describing bees buzzing)…
Race: "Ah don't want no trashy nigger, no breath - and - britches, lak Johnny Taylor usin yo’ body to wipe his foots on." (p. 30); This quote shows racial prejudice through deroga…
-
select the text from the paragraph that best helps you understand that …
"protected and preserved"
-
3. estimate subjective probabilities for each of the following events. …
a) Estimated subjective probability: 0.3 b) Estimated subjective probability: 0.9 c) Estimated subjective probability: 0.6 d) Estimated subjective probability: 0.7
-
read the passage and then answer the question. in 1872, congress passed…
unspoiled
-
select the text from the paragraph that best helps you understand that …
In Goodall's first encounters with chimpanzees, the animals shrieked and ran away from her. Slowly, though, she gained their trust by seeing them again and again.
-
select the text from the paragraph that best helps you understand that …
This makes it harder to measure than if its path were a straight line
-
read the passage and then answer the question. the amazon river is one …
follows a winding course
-
given the data set 47, 61, 53, 59, 75, 63, 84, 52. what happens to the …
65
-
given the data set 47, 51, 53, 59, 75, 63, 84, 52. what are the mean an…
Mean: $60.5$ Median: $56$
-
d. consider the weight of the car and the horsepower. what would one ex…
C. Positive relationship because the horsepower increases as the weight of the car increases
-
sonequas goal is to have a mean of 92 after her sixth quiz. the data sh…
C. 98
-
c. consider the age of the car and the total amount of washer fluid use…
A. Positive relationship because the total amount of washer fluid used increases as the age of the car increases
-
consider the data represented in the dot plot. what is the mean of the …
6.6
-
the data shows the number of kilometers that chrissy biked each day las…
$12.7$
-
if your company sells a variety of products at different prices, how ca…
First question: as an average Second question: high
-
for the 150 cars on the lot of a used - car dealership, explain why you…
a. C. Positive relationship because the number of oil changes increases as the age of the car increases b. B. Negative relationship because the years of life remaining decreases a…
-
for the 150 cars on the lot of a used - car dealership, explain why you…
C. Positive relationship because the number of oil changes increases as the age of the car increases
-
the data shows kens last eight bowling scores: 156, 182, 173, 148, 192,…
166
-
select the text from the paragraph that best helps you understand that …
The path was extremely dangerous, but the governor of Alaska found twenty dauntless dogsled teams to carry the medicine to Nome.
-
read the passage and then answer the question. in january 1925, several…
A. brave
-
feng asked da - eun, \how old are you?\ is this a statistical question?…
B. No
-
select the text from the paragraph that best helps you understand that …
"the South Pole", "that destination"
-
on march 3, 1913, the day before woodrow wilsons presidential inaugurat…
The NAWSA chose to march on Pennsylvania Avenue because it was the same route that the inaugural parade would take the next day, aiming to gain visibility and show women's exclusi…
-
read the passage and then answer the question. in 1910, two groups of e…
a place where a person is going
-
the poet most likely uses an abundance of allusions to - suggest that a…
The first option: suggest that ancient stories can remind people what it means to be human
-
read the sentence from paragraph 7. even within the medical community, …
D. questions
-
5. what is one main theme of this story? a. teamwork is an important pa…
5. B. It is good to keep an open mind about new activities. 6. B. hated 7. A. At first
-
there is a positive and negative x - intercept for this function. what …
The positive \(x\) - intercept is approximately \(1.933\). This means the time when the diver hits the water.
-
what is the meaning of the simile? when mr. crawford started his new jo…
Mr. Crawford was nervous about starting his new job.
-
linear equations w/ distribution (lev 1) question solve. 4(y + 7) = 36 …
$2$
-
read the passage. fiona was guarded about the details of her private li…
B. careful; secretive
-
how to find the 5 numbers for your box plot. step 1: put your numbers i…
1. First, put the data in ascending - order: 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8. - Minimum: 4 - Median: Since \(n = 16\) (even), median\(=\frac{7 + 7}{2}=7\) - Lower -…
-
which of the following states a denotative meaning of the word home? a.…
B. a place where one resides
-
which rhetorical device does paine use in the highlighted excerpt to co…
We need the highlighted excerpt to accurately determine the rhetorical device.
-
if consumers believe they need a product and are willing to pay for it …
1. D. inelastic 2. D. retail price
-
ms. daniels took a survey of her students to determine the number of vi…
Number of Games Owned
-
cholesterol levels were collected from patients two days after they had…
The mean is 267.6 The median is 274 The mode is 360