統計と確率
データ分析、確率分布、仮説検定、統計手法。
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the length of zebra pregnancies is normally distributed, with mean \\( …
\(0.3085\)
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a simple random sample of size ( n = 15 ) is obtained from a population…
The underlying distribution must be normal.
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a simple random sample of size ( n = 55 ) is obtained from a population…
\(0.1210\)
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9 rellenar el espacio en blanco 1 punto what is the range of the graph …
\(-4\), \(-2\), \(2\), \(5\)
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a simple random sample of size ( n = 55 ) is obtained from a population…
The underlying distribution only needs to be approximately normal.
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what is the average of 80 and 109?
\(94.5\)
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what is the average of 99 and 77?
88
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what is the average of 94 and 143?
$118.5$
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determine the mean of the sampling mean from the given parameters of th…
70
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what does the termmonothelistic mean as described in the passage? belie…
A. Believing in only one god.
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use a graphing calculator to create a scatter plot and find the line of…
The equation for the line of best fit is \(y = 0.98x+1.14\)
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one spinner has two sections. they are marked a and b. another spinner …
a. \(12\) b. \(8\) c. \(4\)
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a class is choosing a president and a vice president. there are four st…
(a) \(12\) (b) \(1\) (c) \(9\)
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the table below shows the number of miles run and the number of phone c…
The scatter - plot is created by plotting the points \((1,7)\), \((3,2)\), \((6,4)\), \((8,13)\), \((9,3)\), \((10,10)\), \((13,8)\), \((14,9)\) on the coordinate system where the…
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the table below shows the age and the height for each of 6 trees. creat…
The scatter - plot has points at \((2,4)\), \((5,8)\), \((7,9)\), \((8,10)\), \((11,13)\), \((12,11)\) on the coordinate system where the \(x\) - axis is labeled "Age (in years)" …
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the table below shows the amount of rainfall and the temperature at noo…
The scatter - plot is created by plotting the points \((4,8)\), \((5,12)\), \((6,11)\), \((7,7)\), \((9,6)\), \((10,5)\), \((12,4)\), \((13,1)\) on the given coordinate system whe…
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question 14 a simple random sample of size ( n = 20 ) is obtained from …
$0.0643$
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a company took a survey about its new product. of the 8,000 people surv…
\(560\)
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a simple random sample of size n = 20 is obtained from a population wit…
\(0.0287\)
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a simple random sample of size ( n = 20 ) is obtained from a population…
The underlying distribution must be normal.
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a simple random sample of size n = 36 is obtained from a population wit…
$0.2177$
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a simple random sample of size ( n = 36 ) is obtained from a population…
$0.1492$
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a simple random sample of size ( n = 36 ) is obtained from a population…
The underlying distribution only needs to be approximately normal.
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the following table shows the speeds at which jeff does 4 activities. f…
D. Swimming
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question 8 1 pts determine the standard deviation of the sampling mean …
\(1.65\)
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determine the mean of the sampling mean from the given parameters of th…
29
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determine the standard deviation of the sampling mean from the given pa…
\(2.52\)
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determine the mean of the sampling mean from the given parameters of th…
54
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choose the best description of the data used to generate this histogram…
Results of rolling a six - sided die 1,000 times.
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question 4 1 pts determine the standard deviation of the sampling mean …
3
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determine the mean of the sampling mean from the given parameters of th…
120
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the following table shows how many multiplication problem were able to …
C. Logan
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match the bolded phrases to their meanings in the context of this excer…
besiege → surround deep trenches → grooves proud livery → charms tatter’d weed → destroyed and wasted
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determine the mean of the sampling mean from the given parameters of th…
120
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a researcher gathered data on hours of video games played by school - a…
| Hours | Frequency | Relative Frequency | |-------|-----------|--------------------| | \(0 - 2\) | \(9\) | \(\frac{9}{38}\approx0.237\) | | \(3 - 5\) | \(6\) | \(\frac{6}{38}\app…
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the following data represents the age of 30 lottery winners. complete t…
| Age | Frequency | |------|-----------| | 20 - 29 | 3 | | 30 - 39 | 8 | | 40 - 49 | 6 | | 50 - 59 | 7 | | 60 - 69 | 4 | | 70 - 79 | 1 | | 80 - 89 | 1 |
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what is the class boundary between the first and second classes? class …
The class boundary is \(29.5\) and the minimum possible tree height is \(24.5\)
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some parts of the oath of allegiance are listed below. match each part …
- "I will not be loyal to any other country." matches "I absolutely and entirely [give up]... all [loyalty] to any foreign... state..." - "I will follow the laws of the United Sta…
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charmaine is planning to rent a hotel conference room for an event. the…
(a) \(R(4)=600\) (b) The answer to part (a) means that renting the room for \(4\) hours costs \(\$600\).
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amanda is recording the percentages she earned on each quiz in her math…
\(26\)
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italian tours offers a daily sightseeing trip around florence. the list…
\(29\)
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categorize each variable in the table below. variable stu. gender intro…
dread: a. numerical, discrete gender: b. categorical, nominal intro_extra: b. categorical, nominal
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choose the best description of the data used to generate this histogram…
Cholesterol levels of 1,000 adults.
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question 1 (multiple - choice worth 1 points) (04.15 lc) an equation wa…
C. The equation is a good fit because the sum of the residuals is a small number.
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question 3(multiple choice worth 1 points) (04.02 mc) a survey was cond…
C. 49
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question 3 the article says: they felt a strong federal government coul…
D. Make
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about 56% of the 2,553 students are enrolled in at least one honors cla…
\(1430\)
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question 1(multiple choice worth 1 points) (04 01 lc) the display shows…
Categorical and univariate
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a researcher gathered data on hours of video games played by school - a…
| Hours | Frequency | Relative Frequency | | :---: | :---: | :---: | | \(0 - 2\) | \(7\) | \(0.175\) | | \(3 - 5\) | \(5\) | \(0.125\) | | \(6 - 8\) | \(10\) | \(0.25\) | | \(9 - …
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the following data represents the age of 30 lottery winners. 21 26 27 2…
| Age | Frequency | |----|----| | 20 - 29 | 4 | | 30 - 39 | 3 | | 40 - 49 | 5 | | 50 - 59 | 4 | | 60 - 69 | 7 | | 70 - 79 | 4 | | 80 - 89 | 2 |
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choose the meaning that matches the figurative language in the chart. \…
The turtles' lives are in danger from the heat.
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amount of money 0 ≤ y ≤ 30 40 ≤ x ≤ 100 0 ≤ x ≤ 30 40 ≤ y ≤ 100
\(40\leq y\leq100\)
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a number cube with faces labeled from 1 to 6 will be rolled once. the n…
Sample space: \(\{1,2,3,4,5,6\}\) Event of rolling the number 2: \(\{2\}\)
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a bag has six balls labeled a, b, c, d, e, and f. one ball will be rand…
Sample space: \(\{A,B,C,D,E,F\}\) Event of choosing a letter from \(D\) to \(F\): \(\{D,E,F\}\)
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what is autobiographical art? a. artwork expressing something about the…
A. Artwork expressing something about the artist's life.
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what method of art analysis considers the underlying unconscious meanin…
A. Psychoanalysis
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read the examples of how someone might feel after moving to a new place…
- With weekly tests in my classes, I'm always studying → succeeding in school - I used to wear sandals every day, but no one here does → adjusting to differences in appearance - S…
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last year over 8000 students took an entrance exam at a certain state u…
(a) About \(76\%\) of the students who took the exam scored higher than Justin. (b) Melissa scored higher than the median.
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(a) which of the following must be true about the morgan familys and th…
(a) The Miller family earns more than the Morgan family. (b) About 34% of the families in their county earn less than the Morgan family.
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9 so let us wage a global struggle against illiteracy, poverty and terr…
If each person helps one child get an education, then the world can change.
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read the excerpt from \daughter of invention\. \maybe not. maybe, just …
A. Anything can be accomplished.
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which of lauras misquoted idioms from \daughter of invention\ is intend…
"It's half of one or two dozen of another."
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read the excerpt from daughter of invention. ya, ya she waved them out …
She does not want to dwell on something that cannot be changed.
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read the excerpt from \daughter of invention\. but lauras inventing day…
after that, her mother had passed on to Yoyo her pencil and pad
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read the excerpt from daughter of invention. meanwhile, yoyo was on her…
Yoyo is frustrated by her inability to write a good speech for the assembly at her school.
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read the excerpt from \the scarlet ibis.\ there is within me (and with …
the casket, which symbolizes the loss of Doodle
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describing the association which best describes the association of this…
linear, weak
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describing the association in this scatterplot, there is a association …
weak negative
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which accurately describe this scatterplot? select all that apply. ther…
It is clustered, There is linear association, There is a negative slope.
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identifying the association for a scatterplot use the graph to identify…
There is no association because the points do not resemble a line or curve.
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1. the greek word mesopotamia means \between two rivers.\ name the two …
1. The Tigris River, The Euphrates River 2. Iraq, Turkey
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use the graph to identify whether there is linear association, nonlinea…
No association
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try to draw a line to approximate the points in the graph. is the corre…
It is positive because the slope is positive.
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find the mode of the following set of data. 5, 11, 2, 12, 4, 2
\(2\)
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therefore, one who becomes a prince through the favour of the people ou…
The argument relies on logical evidence in the form of a historical example to draw a general conclusion that supports the claim.
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for the wheel pictured on the right, assume that a person spins the poi…
a. The expectation is \(\$4\) b. The fair price to play the game is \(\$4\)
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you are the operations manager for an airline and you are considering a…
\(n = 493\) (rounded up to the nearest integer for part b)
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what method of art analysis considers the underlying unconscious meanin…
A. Psychoanalysis
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3 - using statistics, analogies, and definitions to support your ideas …
B. using a small sample size
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what is autobiographical art? a artwork expressing something about the …
A. Artwork expressing something about the artist's life
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2 food markup the scatter plot shows the sale price of several food ite…
The predicted sale price of the item is \(\$5.98\)
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a football is thrown by a quarterback to a receiver. the points in the …
\(6.0\)
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whenever those states which have been acquired as stated have been accu…
by providing explanations
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a researcher randomly surveyed 1,477 farmers to determine the geographi…
\(\frac{251}{365}\approx0.6877\)
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first read: selection vocabulary identify the choice that best answers …
C. evaluating
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use the drop - down menus to identify the method used to collect data f…
1. Observational study 2. Experiment
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writing use the distributive property to solve the equation below. use …
\(n = 7\)
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determine whether the statement makes sense or does not make sense, and…
D. This does not make sense because the sample must include all the contributors, not only the largest contributors.
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short response questions (5 questions) answer the questions below using…
After \(3\) hours, Carlos and Maya will have packed the same number of meals.
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writing use the distributive property to solve the equation below. use …
\(n = 6\)
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fill in the blank so that the resulting statement is true. the measure …
median
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fill in the blank so that the resulting statement is true. a data value…
mode
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a guidance counselor wants to determine if there is a relationship betw…
This point will increase the value of the standard deviation of the residuals because it has a large negative residual.
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the graph shows the distribution of the lengths (in seconds) of videos …
15.85%
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a random sample of 40 college professors is selected from all professor…
C. The greatest number of college professors are in their 40s.
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the histogram shows the starting salaries (rounded to the nearest thous…
D. True, because the height of the bar for \(41 - 45\) is approximately \(70\) and the total number of graduates is approximately \(995\), \(70/995\) is approximately \(0.07\) as …
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the stem - and - leaf plots compare the ages of 30 actors and actresses…
A. There is a higher frequency of actors in their forties and fifties than actresses and a lower frequency of actors in their twenties and thirties than actresses, this could be e…
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the frequency polygon to the right shows a distribution of iq scores. d…
False
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a professor had students keep track of their social interactions for a …
\(5\) (Note: There was a miscalculation in the initial step - by using the next class's lower limit minus the previous class's upper limit. For example, \(40-39 = 1\) (this gives …
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the government of a large city needs to determine whether the citys res…
Survey a random sample of persons within each neighborhood.