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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give the correct numerical response. if s = {1, 2, 3, 4, 5, 6}, a is th…
$\frac{5}{6}$
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limp means to: worry or be anxious all the time walk unevenly due to pa…
B. walk unevenly due to pain or injury
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fleck means : gown worn by the clergy a decorative pin worn by women a …
C. a small contrasting part of something
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spartan means : accepting that everything that happens is inevitable en…
marked by simplicity, frugality, or self - denial
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totter has the same or almost the same meaning as sustain complain stag…
C. stagger
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linoleum means : a floor covering a soft tufted cord a powerful light a…
a floor covering
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tavern means : an eskimo hut; usually built of blocks in the shape of a…
C. a building with a bar that is licensed to sell alcoholic drinks
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sassy has the same or almost the same meaning as: bold evil puny dull
A. bold
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taut means : nearby in relationship awaiting conclusion smooth in movem…
D. pulled or drawn tight
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the expanse of ice looked enormous. in the sentence above, enormous has…
A. vast
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he aimed at the bewildered detective——and was foiled by mother on the s…
C. baffled
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strive means to: attempt by employing effort love intensely cause to co…
attempt by employing effort
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contraption means : a transverse and enclosed drain under a road or rai…
B. a device or control that is very useful for a particular job
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limb means : a sum of money allocated for a particular purpose one of t…
one of the jointed appendages of an animal
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joe mide su temperatura corporal varias veces en condiciones diferentes…
# Explicación: ## Paso 1: Ordenar los datos Ordenamos los datos de temperatura corporal de menor a mayor: 98.4, 98.5, 98.5, 98.5, 98.6, 98.6, 98.7, 98.7, 98.9 ## Paso 2: Encontrar…
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the term _______ refers to behavior based on traditions, concerns for o…
1. C. collectivism 2. B. power distance 3. E. a cognitive strategy for quickly estimating the probability that a given instance is a member of a particular category.
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read the sentence and study the table. when raj removed the clocks cove…
definition 2
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determining the correct homophone. read the sentence and study the tabl…
Which homophone correctly completes the sentence? brake Which word provides a context clue that supports your answer? stationary
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you spin the spinner once. what is p(less than 5)? write your answer as…
$\frac{3}{4}$
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measurement data is given in the table. suppose you draw a line plot th…
The line plot has 8 dots plotted on it. The greatest value on the line plot is 9. The height of 8 inches occurs most often on the line plot.
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the mean value of land and buildings per acre from a sample of farms is…
23
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the distribution of the number of hours that a random sample of people …
$25.6$
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read the excerpt from daniels comparative essay. (1) despite the many f…
Short stories usually focus on one main character and one main event.
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read this excerpt from chapter 1 of the scarlet letter using comprehens…
The prison and cemetery were built early, with the cemetery expanding in size from its original plot.
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the distribution of the tuitions, fees, and room and board charges of a…
$2982.77$
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the suffix -pnea means ______. a. breath b. branch of the windpipe c. t…
D. breathing
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to understand lincolns 2nd inaugural address and why it was important, …
True
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lincolns 2nd inaugural address context to understand lincolns 2nd inaug…
True
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cfu 1d: understand the differences between stratified sampling, cluster…
17. Voluntary response sampling 18. Convenience sampling
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to understand lincolns 2nd inaugural address and why it was important, …
B. False
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to understand lincolns 2nd inaugural address and why it was important, …
B. It was a "sacred effort."
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lincolns 2nd inaugural addres to understand lincolns 2nd inaugural addr…
C. When he ended the speech with a call for healing.
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consider the excerpt and theme from gilgamesh: a new english version. e…
People can depend on their god(s)
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determine the sampling method used in the following scenario: farmer le…
Systematic sampling Yes, we should expect this sample to be biased
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which detail from gilgamesh: a new english version best illustrates a c…
Gilgamesh standing at edge of the Cedar Forest, ready to battle Humbaba
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which claim is the most effective for the argument that the minimum age…
C. Changing the minimum driving age to 18 would mean safer roads for everyone, since less - experienced drivers are more likely to have accidents.
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the cafeteria creates pre - made boxed lunches with equal numbers of th…
$\frac{1}{12}$
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a spinner is divided into four sections, each in a different color, as …
The probability that the arrow will point to green is less than $\frac{1}{4}$.
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cleo is writing an essay arguing that her school should open at 8:30 a.…
Kennedy High School should open at 8:30 a.m. instead of 7:30 because students would get an extra hour of sleep, improving their health and brain function.
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bernice received the following scores on five science tests: 96, 77, 86…
The mean and the median of the set of scores are the same.
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a player plays a roulette game in a casino by betting on a single numbe…
$0.6340$
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1d: understand the differences between stratified sampling, cluster sam…
1. Yes, this is a stratified sample 2. Yes, this is a cluster sample
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the united states seeks no territory, no military bases, no favored pos…
to explain that the United States only wants to stop the spread of communism
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linear equations w/ distribution (lev 1) score: 0/3 penalty: none quest…
$8$
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in a recent year (365 days), a hospital had 5693 births. a. find the me…
a. 15.6 b. 0.0785 c. 0 No, because the probability is 0.05 or less.
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in a recent year (365 days), a hospital had 5693 births. a. find the me…
a. 15.6 b. 0.1749 c. 1.03×10⁻⁷; Yes, 0 births in a single day is a significantly low number of births.
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37. one population has a mean of $mu = 50$ and a standard deviation of …
a. Sketch two normal - shaped curves centered at 50 with different spreads according to $\sigma = 15$ and $\sigma = 5$. b. The score $X = 65$ is not an extreme value in the popula…
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on an exam with a mean of m = 40, you obtain a score of x = 35. a. rela…
a. The performance is better with $s = 8$. b. The performance is better with $s = 2$.
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34. everyone experiences \ups and downs\ in life satisfaction. boehm, w…
a. Low Mortality Sample: $M = 5$, $SS = 40$, $s^{2}=4$, $s = 2$. High Mortality Sample: $M = 5$, $SS = 180$, $s^{2}=18$, $s\approx4.24$. b. Low Mortality Sample: $M = 5\pm2$ High …
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task two for each of the following scenarios, write your own persuasive…
1. Eating too much chocolate can lead to weight gain and tooth decay, so it's best to cut back. 2. Statistics show that drink - driving is a major cause of accidents and can lead …
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what does this sign indicate? one way you must only travel in the direc…
You must only travel in the direction in which the arrow is pointing.
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what does this sign indicate? one way you must only travel in the direc…
You must only travel in the direction in which the arrow is pointing.
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logos an appeal to logic and reason. logos is a greek word meaning a wo…
An example could be: You're great at English and I'm struggling with this essay. If you help me, we can improve the quality of the writing together.
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the proportion p of residents in a community who recycle has traditiona…
(a) $H_0:p = 0.7$, $H_1:p<0.7$ (b) z - test statistic for a proportion (c) $-1.356$ (d) $0.087$ (e) No
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32. for the data in the following sample: 1, 1, 9, 1 a. find the mean, …
a. Mean: 3, $SS$: 48, Variance: 16, Standard deviation: 4 b. New $SS$: 3, New variance: 1, New standard deviation: 1 c. An extreme score can increase the mean and standard deviati…
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logos an appeal to logic and reason. logos is a greek word meaning a wo…
A personal example to persuade a friend to help with a move could be: "Moving boxes requires two - person effort. You are strong and I need help. So, you should help me move."
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based on their records, a hospital claims that the proportion, $p$, of …
(a) $H_0:p = 0.41$, $H_1:p eq0.41$ (b) z - test statistic for a proportion (c) $1.638$ (d) $0.101$ (e) No
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if the word rudiment is defined as a fundamental principle or skill, an…
a basic education
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read the meanings of the word bolt, then read the sentence. definition …
C. Definition 3
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if retro means \back\ and spec means \to see or look,\ what is the best…
in considering the past
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read the meanings of the word fold, then read the sentence. definition …
Definition 4
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a marriage counselor has traditionally seen that the proportion p of al…
(a) $H_0:p = 0.8$; $H_1:p>0.8$ (b) z - test for a proportion (c) $2.224$ (d) $0.013$ (e) Yes
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if biblio is a word root meaning \book,\ and phil means \love,\ what is…
B. someone who adores books
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read the definitions. ex- = \out\ im- = \in\ plicit = \folded\ which se…
The research assignment came with explicit instructions on source citation.
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read the chart. homophone meaning by beside or near buy to purchase som…
A. by, buy
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32. for the data in the following sample: 1, 1, 9, 1 a. find the mean, …
a. Mean = 3, $SS = 48$, Variance = 16, Standard deviation = 4 b. New $SS = 3$, New variance = 1, New standard deviation = 1 c. An extreme score can increase the mean and the stand…
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the proportion p of residents in a community who recycle has traditiona…
(a) $H_0:p = 0.6$, $H_1:p<0.6$ (b) z - test statistic for a proportion (c) $-2.769$ (d) $0.003$ (e) Yes
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salma recently switched her primary doctor to one specializing in carin…
(a) $H_0:\mu = 115$; $H_1:\mu>115$ (b) t - test statistic (c) $0.964$ (d) $0.174$ (e) No
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a coin - operated drink machine was designed to discharge a mean of 6 f…
(a) $H_0:\mu = 6$, $H_1:\mu eq6$ (b) t - test statistic (c) $2.537$ (d) $0.024$ (e) Yes
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study the table, which shows the meanings of common homophones. choose …
they're
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a coin - operated drink machine was designed to discharge a mean of 8 f…
(a) $H_0:\mu = 8$; $H_1:\mu eq8$ (b) $t$ - test statistic (c) $2.477$ (d) $0.026$ (e) Yes
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study the table, which shows the meanings of common homophones. homopho…
their
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read the sentence and study the table. when raj removed the clocks cove…
What is the meaning of spring as it is used in the sentence? Definition 2 Which word provides a context clue that supports your answer? mechanism
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read the sentence and study the table. when you park on a hill, it is w…
brake
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read the sentence and study the table. the 100 - year - old document wa…
disintegrating
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read the sentence and study the table. jaren and shardae found that coo…
requiring effort
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read the sentence and study the table. the womens club held fundraisers…
twice a year
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jane recently switched her primary doctor to one specializing in caring…
(a) $H_0:\mu = 120$, $H_1:\mu>120$ (b) t - statistic (c) $2.326$ (d) $0.016$ (e) Yes
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7. which sentence best illustrates the meaning of enthusiastically? * 1…
7. b. Mike didn't hesitate to volunteer for the basketball team. 8. b. He moves slowly and a bit shyly.
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5. in the circuit, what is the one constant thing in panchitos life? * …
5. d. his family 6. a. without thinking
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of the following statements, which does not represent variations in one…
D. What is meaningful to one person is meaningful to another.
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whether or not incoming information is perceived as meaningful influenc…
T
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which of the following statements is not correct concerning the relatio…
Individuals can easily detect changes in the environment when they are absorbed in a task.
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an electronics manufacturing process has historically had a mean comple…
(a) $H_0:\mu = 70$, $H_1:\mu<70$ (b) t - test statistic (c) $-0.273$ (d) $0.397$ (e) No
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suppose that $chi^{2}$ follows a chi - square distribution with 22 degr…
(a) Using a chi - square calculator with $df = 22$ and $x = 22$, we get $P(\chi^{2}\leq22)\approx0.500$. (b) Using the inverse - cumulative distribution function of the chi - squa…
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30. for the following population of n = 6 scores: 2, 9, 6, 8, 9, 8 a. c…
a. Range = 7, Standard deviation $\approx2.45$ b. Range = 7, Standard deviation $\approx2.45$ c. Adding a constant to each score does not affect measures of variability (range and…
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suppose that $chi^{2}$ follows a chi - square distribution with 19 degr…
(a) Using the ALEKS calculator, for $\chi^{2}$ with $df = 19$, $P(\chi^{2}\leq11)\approx0.109$ (b) Using the ALEKS calculator, for $\chi^{2}$ with $df = 19$ and right - tailed pro…
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an airline is trying two new boarding procedures, option 1 and option 2…
(a) $H_0:\mu_1\geq\mu_2$, $H_1:\mu_1 < \mu_2$ (b) z - test (c) $-1.333$ (d) $0.091$ (e) No
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a decade - old study found that the proportion, p, of high school senio…
(a) $H_0:p = 0.60$; $H_1:p eq0.60$ (b) z - test statistic for a proportion (c) $5.850$ (d) $0.000$ (e) Yes
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question 9 of 20 : select the best answer for the question. 9. the lega…
D. renounce your citizenship
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what is the process to find an average? * add numbers and then multiply…
# Explicación: ## Paso 1: Definición de promedio El promedio (media aritmética) se obtiene sumando los números y dividiendo entre la cantidad de números. ## Paso 2: Sumar los núme…
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thanks to an initiative to recruit top students, an administrator at a …
(a) $H_0:\mu = 115$, $H_1:\mu>115$ (b) $t$-test statistic (c) $0.750$ (d) $0.236$ (e) No
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the breaking strengths of cables produced by a certain manufacturer hav…
(a) $H_0:\mu = 1775$, $H_1:\mu>1775$ (b) $z$ (c) $0.949$ (d) $0.171$ (e) No
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big corporation advertises that its light bulbs have a mean lifetime, $…
(a) $H_0:\mu = 2800$, $H_1:\mu eq2800$ (b) Type II error (c) A Type I error would be rejecting the hypothesis that $\mu$ is equal to 2800 when, in fact, $\mu$ is equal to 2800.
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suppose that $chi^{2}$ follows a chi - square distribution with 5 degre…
(a) $0.587$ (b) $11.07$
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suppose that $chi^{2}$ follows a chi - square distribution with 17 degr…
(a) $P(\chi^{2}\leq26)=0.922$ (b) $k = 30.19$
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calculate each value requested for the following set of scores. scores:…
(a) 5 (b) 9 (c) 25
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26. a population has a mean of μ = 50 and a standard deviation of σ = 1…
a. Mean = 53, Standard deviation = 10 b. Mean = 100, Standard deviation = 20
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send data to excel less than high school high school college higher tha…
(c) 7.78 (d) Yes
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26. a population has a mean of $mu = 50$ and a standard deviation of $s…
a. Mean = 53, Standard deviation = 10 b. Mean = 100, Standard deviation = 20