统计与概率
数据分析、概率分布、假设检验与统计方法。
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identify the correlation coefficient r that is most likely to correspon…
C. r = -0.01
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identify the correlation coefficient r that is most likely to correspon…
r = -0.62
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answer the statistical measures and create a box and whiskers plot for …
Min: \(5\), Q1: \(8.5\), Med: \(10\), Q3: \(13\), Max: \(19\) For the box - and - whiskers plot: - The left whisker starts at Min (\(5\)) and ends at Q1 (\(8.5\)). - The box start…
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name direction: fill in the blanks with the vocabulary terms and names …
Exploration, Compass, Astrolabe, Prince Henry the Navigator, Caravel, Bartolomeu Dias, Vasco da Gama, Circumnavigate, Missionaries, Conquistador
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identify the correlation coefficient r that is most likely to correspon…
$r = -0.53$
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the highway mileage (mpg) for a sample of 8 different models of a car c…
Mean = 27.8 Median = 29 Mode = 33 Standard Deviation = 5.1
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based on this map showing language regions in south asia, what kind of …
D. A multinational state, since multiple languages likely means there are multiple cultural groups living in the state
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question 26 shantel buys a bag of cookies that contains 4 chocolate chi…
$\frac{7}{69}$
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question 3 of 22 read the following excerpt from \a modest proposal,\ b…
B. He believes that the people who disapprove of this plan are hypocritical for ignoring the plight of the poor.
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a bag contains eight tiles labeled a, b, c, d, e, f, g, and h. one tile…
\(\frac{3}{4}\)
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classify the statement as an example of classical probability, empirica…
A. empirical
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a bag contains eleven balls labeled 1 through 11. one ball will be rand…
\(\frac{3}{11}\)
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a box contains ten cards labeled q, r, s, t, u, v, w, x, y, and z. one …
\(\frac{3}{5}\)
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question 25 find the number of different ways that an instructor can ch…
593775
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a probability experiment is conducted. which of these cannot be conside…
$-\frac{1}{4}$, -0.28, 150%, 1.18
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read this excerpt from the adventures of robinson crusoe: when i was on…
A. Revealing Crusoe's inner thoughts makes him a more sympathetic character.
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answer the statistical measures and create a box and whiskers plot for …
Min: \(5\), Q1: \(8.5\), Med: \(10\), Q3: \(13\), Max: \(19\) For the box - and - whiskers plot: - The left whisker starts at the minimum value (\(5\)) and ends at Q1 (\(8.5\)). -…
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a test was given to a group of students. the grades and gender are summ…
$\frac{3}{25}$
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question 6 of 14 read this excerpt from the adventures of robinson crus…
D. Crusoe's concern about cannibals develops the idea of people having to struggle to survive.
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read the text. correlation is the relationship between two variables. s…
negative correlation
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question 5 of 14 read this excerpt from the adventures of robinson crus…
D. It emphasizes the point that Xury is Crusoe's property and Crusoe can do with him as he pleases.
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the probability of the seattle mariners winning the world series is \\(…
1:32 $\frac{32}{33}$ 32:1
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the box-and-whisker plot below represents some data set. what is the ra…
65
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consider the following information about three stocks: | state of econo…
s (Sample for a-1): a-1. Expected Return: 17.36% a-2. Variance: 0.03954 (or 3.954% squared, but as decimal variance: ~0.03954) a-3. Standard Deviation: 0.1989 (or 19.89%) b. Risk …
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the box-and-whisker plot below represents some data set. what percentag…
75%
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the dot plot below represents some distribution. identify the answer ch…
Skewed to the right
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as shown above, a classic deck of cards is made up of 52 cards, 26 are …
1) $\frac{1}{52}$ (or 0.0192) 2) 0.5 3) 0.0769
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fallible has the same or almost the same meaning as: intricate superflu…
weak
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use the spinner below to answer the questions: p(spinning 1) = p(odd #)…
\(P(\text{spinning }1)=\frac{1}{4}\), \(P(3)=\frac{3}{8}\), \(P(\text{odd \#})=\frac{5}{8}\), \(P(\text{number less than }3)=\frac{5}{8}\), and if spun 400 times, it would land on…
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identify the correlation coefficient r that is most likely to correspon…
\( r = -0.02 \)
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zeal has the same or almost the same meaning as: stupidity mixture lame…
fervor
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identify the correlation coefficient r that is most likely to correspon…
D. r = 0.61
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the graph is the path beth took on a walk. what does the line from time…
Beth turned around and went the other direction.
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resolution means : failure that results in a loss of position or reputa…
a decision to do something or to behave in a certain manner
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identify the correlation coefficient r that is most likely to correspon…
D. $r = 0.57$
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arduous has the same or almost the same meaning as: impetuous straining…
straining
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identify the correlation coefficient r that is most likely to correspon…
r = -0.06
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identify the correlation coefficient r that is most likely to correspon…
r = 0.01
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dutiful means : most frequent or common willingly obedient out of a sen…
willingly obedient out of a sense of duty and respect
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admonish has the same or almost the same meaning as: adhere recompense …
caution
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identify the answer choice that best describes the shape of the distrib…
Symmetric
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identify the correlation coefficient r that is most likely to correspon…
C. $r = 0.01$
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identify the correlation coefficient r that is most likely to correspon…
D. \( r = 0.64 \)
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identify the answer choice that best describes the shape of the distrib…
Symmetric
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identify the correlation coefficient r that is most likely to correspon…
r = -0.02
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identify the answer choice that best describes the shape of the distrib…
Symmetric
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identify the correlation coefficient r that is most likely to correspon…
r = -0.54
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identify the correlation coefficient r that is most likely to correspon…
\(r = -0.04\)
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the scatter plot below shows data points and the line of best fit. iden…
Moderate or weak positive association
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the scatter plot below shows data points and the line of best fit. iden…
Moderate or weak positive association
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the dot plot below represents some distribution. identify the answer ch…
Skewed to the right
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the scatter plot below shows data points and the line of best fit. iden…
Strong negative association
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the scatter plot below shows data points and the line of best fit. iden…
Moderate or weak negative association
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the scatter plot below shows data points and the line of best fit. iden…
Moderate or weak negative association
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based on the scatter plot below, describe the association between the t…
Positive association
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based on the scatter plot below, describe the association between the t…
Positive association
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look at the scatter plot below. describe the association, if any, as li…
No association
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look at the scatter plot below. describe the association, if any, as li…
No association
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5 lors du salon des métiers d’art, luis et maryse ont vendu divers bijo…
a) \(520\) b) \(5323.5\) dollars
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warm-up 3 date thomas jefferson did all presidents have to be good spea…
1. B. the Declaration of Independence 2. A. study 3. C. talking in front of people
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size and annual rent of office space rent (dollars) 0 35,000 70,000 105…
A. There is a strong positive relationship between the cost of rent and the size of the office space.
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31. reasoning you have 50 blueberry scones and 75 cranberry scones. you…
The greatest number of bags you can fill is \(25\). Because the GCF of \(50\) and \(75\) is \(25\), which means we can divide both \(50\) blueberry scones (\(50\div25 = 2\) per ba…
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30. model with math the venn diagram at the right shows the factors of …
- Orange region: Factors of 24 only. Green region: Common factors of 24 and 40. Blue region: Factors of 40 only. # b.
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15 looking at the graph, if there are 3 cups of granola, what is the we…
25
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read the excerpt from \jabari unmasked\ by nikki grimes. one look, and …
It develops the speaker’s message that stereotypes can be damaging.
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what is the ratio of total shapes to triangles? write your answer as a …
3/2
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the montgomery bus boycott proved that change could be achieved through…
change could be achieved through peaceful means.
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the scatter plot shows the relationship between a car salesmans average…
y-intercept: 1000 slope: 100
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what is the ratio of total shapes to triangles? write your answer as a …
9/7
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105, 10, 74, 48, 52, 71, 72, 63, 55, 30 with outlier \t\t\twithout outl…
# Explanation: ## Step1: Identify the outlier First, we need to find the outlier. Let's sort the data: \(10, 30, 48, 52, 55, 63, 71, 72, 74, 105\). To find outliers, we can use th…
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what is the ratio of circles to total shapes? write your answer as a fr…
2/9
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which structural element in \jabari unmasked\ most helps the speaker de…
stanza
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analyzing meaning one look, and we are neatly judged this thing, these …
It creates an impactful contrast between perception and reality.
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the movement of the progress bar may be uneven because questions can be…
D. a minimum driving age of sixteen and a minimum driving age of eighteen
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the art club is raising money for a field trip to an art museum. the ba…
The band had more money before the fundraising started. The art club raised more money each month. The band will have more money after 7 months.
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the scatter plot shows the relationship between a car salesmans average…
The y-intercept of the line of best fit is 1000 The slope of the line of best fit is 102
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choose which line represents the line of best fit a line b b line c c t…
C. There is no line of best fit for this data.
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isla kept track of the number of hours and number of laps she swam each…
For each increase of 1 hour, the average number of laps increases by about 30.
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the scatter plot shows the average base depth of the snow during ski se…
\(5\) (This is an estimate based on the trend of the data points. If we assume a simple linear extrapolation, looking at the November values starting around \(10\) inches and assu…
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4. 76, 35, 37, 38, 3, 40, 44, 42 with outlier mean: median: mode: range…
- With Outlier: - Mean: \(39.375\) (or \(39.4\)) - Median: \(39\) - Mode: No Mode - Range: \(73\) - Stdevp: \(18.44\) - Without Outlier (remove 3): - Mean: \(44.57\) (or \(44.6\))…
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a scatter plot and line of best fit are shown. use the drop - down menu…
The line of best fit has a weak correlation because the points are not clustered near the line.
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the figure below is divided into 100 squares of equal size. what percen…
36%
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the figure below is divided into 100 squares of equal size. what percen…
51%
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4. 76, 35, 37, 38, 3, 40, 44, 42 with outlier mean: ______ median: ____…
# Explanation: ## Step1: Identify the outlier First, we check the data set: 76, 35, 37, 38, 3, 40, 44, 42. The value 3 and 76 seem extreme, but let's confirm. Let's sort the data:…
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vocabulary explain how the percent relates proportional quantities. dra…
A percent is a \(\boldsymbol{ratio}\) of proportionality describing the \(\boldsymbol{part}\) of the \(\boldsymbol{whole}\)
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vocabulary explain how the percent relates proportional quantities drag…
First blank: constant, Second blank: part, Third blank: whole
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3. 4, 2, 8, 5, 6, 20, 7, 9 with outlier mean: ______ median: ______ mod…
### With Outlier: - Mean: \(7.625\) - Median: \(6.5\) - Mode: No mode (or all values) - Range: \(18\) - Stdevp: \(\approx5.122\) ### Without Outlier: - Mean: \(\approx5.857\) - Me…
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3. a company surveyed 480 customers about their shopping preferences an…
s: ### Problem 3 #### Sub - question 1: The two - way table is: | Age Group / Shopping Preference | Online Shopping | In - Store Shopping | Total | | --- | --- | --- | --- | | Und…
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2. 42, 38, 45, 68, 40, 39, 39, 41 with outlier mean: median: mode: rang…
### With Outlier: - Mean: \(44\) - Median: \(40.5\) - Mode: \(39\) - Range: \(30\) - Stdevp: \(\approx 9.3\) ### Without Outlier: - Mean: \(\approx 40.57\) - Median: \(40\) - Mode…
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describe the effects the outlier has on all the measures of central ten…
### With Outlier: - Mean: \(\boldsymbol{\approx 5.57}\) - Median: \(\boldsymbol{4}\) - Mode: \(\boldsymbol{3}\) - Range: \(\boldsymbol{14}\) - Stdevp: \(\boldsymbol{\approx 4.435}…
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a guidance counselor tracked college application outcomes for students …
s: 1. The completed two - way table is as above. 2. The number of students accepted to college is 119. The total number of students who applied is 200. 3. Among students with GPA …
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the dot plot below represents the number of goals scored by the boys so…
1
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the dot plot below represents how long it takes students in an 8th grad…
29
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1. a random sample of adults are asked about their preferences for a fi…
The completed two - way table is: | | order dessert | no dessert | |----------------|---------------|------------| | split the check| 50 | 18 | | one person pays| 16 | 38 |
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what is the median of this data set? 3,17,17,11,8,13,5,18
12
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a medical test manufacturer did a trial of a new virus screening test. …
The manufacturer will need to create a new test, because the false negative rate is \(0.23\), which is greater than \(0.03\).
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a medical test manufacturer did a trial of a new virus screening test. …
The manufacturer will need to create a new test.
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a medical test manufacturer did a trial of a new virus screening test. …
Since \(P(+|NI)\approx0.0234<0.04\), they will not need to create a new test.
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a medical manufacturer did a trial of a new virus screening test. 100,0…
\(0.02\), which is less than \(0.04\)
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at donalds donuts the number of donut holes in a bag can vary. help don…
12