Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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question 24 2.5 points in arabic, the word jihad means a struggle. b pi…
A. struggle
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which of the following is a true statement about self - interest as use…
A. Any action can be based on self - interest if the person has some reason for the action
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question 5 given a set of data that is skewed - left, there is at least…
88.9
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consider the following sample data, which represent weights of sea muss…
$2.095$
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consider the following sample data, which represent weights of sea muss…
Part 1: $2.085$ Part 2: $2.2$ Part 3: $2.1$ Part 4: $2.15$ Part 5: The distribution will probably be skewed to the left.
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a group of 20 registered voters were polled and asked what party they b…
| Value | Frequency | Relative Frequency | | ---- | ---- | ---- | | R | 6 | 0.3 | | D | 8 | 0.4 | | G | 2 | 0.1 | | I | 4 | 0.2 |
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consider the following sample data, which represent weights of sea muss…
$2.15$
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consider the following sample data, which represent weights of sea muss…
Mean: \(2.085\) Median: \(2.2\) Mode: \(2.1\)
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a survey was given to 84 students at a local high school, asking how ma…
# Explanation: ## Step1: Determine x - axis and y - axis The x - axis will represent the time intervals (minutes) and the y - axis will represent the number of students (frequency…
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here are the shopping times (in minutes) for each of fifteen shoppers a…
| Shopping times (in minutes) | Frequency | | ---- | ---- | | 18 to 22 | 4 | | 23 to 27 | 3 | | 28 to 32 | 3 | | 33 to 37 | 5 | For part (b), to construct the histogram: - On the …
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consider the following sample data, which represent weights of sea muss…
$2.085$
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consider the following sample data, which represent weights walnuts in …
Part 5 of 6: The distribution will probably be skewed to the right. Part 6 of 6: The mean would get larger. The median would not change.
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a group of 20 registered voters were polled and asked what party they b…
| Value | Frequency | Relative Frequency | | ---- | ---- | ---- | | R | 5 | 0.25 | | D | 5 | 0.25 | | G | 1 | 0.05 | | I | 9 | 0.45 |
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chapter 1-2 test 30 points possible answered: 3/16 question 4 calculate…
$24.85$
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consider the following sample data, which represent weights walnuts in …
The distribution will probably be skewed to the right.
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consider the following sample data, which represent weights walnuts in …
$17.05$
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suppose babies born after a gestation period of 32 to 35 weeks have a m…
B. The baby born in week 41 weighs relatively more since its z - score, 0.34, is larger than the z - score of 0.21 for the baby born in week 32.
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the population of old town is 130,000. one hundred of the residents wer…
The residents of Old Town represent the entire population. The 100 residents surveyed represent the sample.
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consider the following sample data, which represent weights walnuts in …
14.4
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consider the following sample data, which represent weights walnuts in …
$15.9$
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basic measures of center -2 score: 11.88/23 answered: 1/4 progress save…
$15.955$
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the selling prices for homes in a certain community are approximately n…
(a) $68$ (b) $2.5$ (c) $16$ (d) $83.85$
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review which one of the economic goals do you think is the most importa…
Equity. It is important because it promotes fair distribution of economic benefits, reduces social disparities, and fosters social stability and justice.
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the test scores of ms. jacksons 105 students are summarized in the tabl…
A frequency histogram with x - axis labeled "Test Score" (with intervals 50 - 59, 60 - 69, 70 - 79, 80 - 89, 90 - 99), y - axis labeled "Number of Students" (with scale 0 - 55 in …
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question 25 based on the boxplot above, identify the 5 number summary. …
7, 8, 9, 14, 18
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question 25 based on the boxplot above, identify the 5 number summary. …
6, 8, 10, 12, 18
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the students in a class collected data on the number of minutes some of…
0.5
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a company produces hammers, screwdrivers, utility knives and wrenches. …
Hammers: 396 Screwdrivers: 1650 Utility knives: 330 Wrenches: 924
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the graph below represents the result of a survey in which a number of …
4
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based on the histogram above, what is the frequency of the class contai…
6
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a teacher put all her students quiz scores up on the dot plot below. qu…
40
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* first thoughts do any topics presented in the bill of rights seem mor…
1. The Preamble's language about general welfare and liberty for posterity shows broader goals. 2. (a) It stops excessive bail, fines, and cruel punishments. (b) Protects from unj…
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commute time how many students take less than 40 minutes to get to scho…
13
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use the spinner below. what is the probability of the spinner landing o…
$\frac{1}{6}$
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is this value from a discrete or continuous data set. the average rainf…
Continuous
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goals scored what was the range of goals scored?
5
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scott has a six - sided dice. the sides of the dice are displayed below…
$p(1)=16.67$ $p(2)=16.67$ $p(3)=16.67$ $p(4)=16.67$ $p(5)=16.67$ $p(6)=16.67$
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consider the following sample data, which represent weights walnuts in …
For the question "How would this affect the mean?": The mean would get larger. For the question "How would this affect the median?": The median would not change.
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temperature on how many days was the temperature more than 49°f?
19
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consider the following sample data, which represent weights walnuts in …
Part 1: $14.375$ Part 2: $14.2$ Part 3: $14$ Part 4: $14.55$ Part 5: The distribution will probably be skewed to the right.
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what is meant by a \planned\ economy? who is doing the planning? govern…
What is meant by a "planned" economy? - A planned economy is an economic system where the government makes key decisions regarding production, distribution, and resource - allocat…
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goals scored what was the lowest number of goals scored?
0
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consider the following sample data, which represent weights walnuts in …
$14.55$
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1.1 estimating populations: problem 4. (1 point) the city of raleigh ha…
(c) 30.26% (d) 2905 voters
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consider the following sample data, which represent weights walnuts in …
Part 1: 14.165 Part 2: 14.2 Part 3: 14
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social media posts how many students were surveyed?
17
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midterm exam score: 16/46 answered: 16/46 question 17 use the spinner b…
$\frac{1}{12}$
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use the appropriate formulas and methods to answer the following questi…
Mean: $14.315$ Median: $14.2$
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two dice are rolled. what is the probability p(sum is 6)? \\(\\frac{11}…
B. \(\frac{5}{36}\)
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a real number between 0 and 6 will be picked according to the probabili…
(a) $0.68$ (b) $0.28$
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midterm exam score: 14/46 answered: 14/46 question 15 in a study, the d…
Quantitative
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according to the records of a soft - drink company, the bottles for the…
$0.104$
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the table displays the scores of students on a recent exam. find the me…
75.8
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your favorite basketball player is a 72% free throw shooter. find the p…
28%
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consider the following sample data, which represent weights walnuts in …
Part 1: $14.51$ Part 2: $14.85$ Part 3: $18.6$ Part 4: $13.25$ Part 5: The distribution will probably be skewed to the left.
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in a memory test, the test subjects are given a large number and are as…
(a) $0.80$ (b) $0.016$ (c) $0.9938$
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suppose that a new treatment is successful in curing a common ailment 7…
$0.298$
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the distribution of lengths of salmon from a certain river is approxima…
A. 26 inches
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for a certain online store, the distribution of number of purchases per…
C. 16%
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shalise competed in a jigsaw puzzle competition where participants are …
B. 16% on the small puzzle and 84% on the large puzzle
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the table displays the scores of students on a recent exam. find the me…
$91.4$
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6. joe is playing a game with a regular die. if the number that turns u…
-10
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a researcher is studying a group of field mice. the distribution of the…
A. 0.023
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at a small coffee shop, the distribution of the number of seconds it ta…
A. 0.17
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determine the distribution of the data pictured below frequency data sy…
Symmetric
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the distribution of the number of transactions per day at a certain aut…
D. $\mu = 80;\ \sigma = 10$
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question 10 based on the histogram above, what is the frequency of the …
6
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finish the sentence. a scatter plot shows the relationship between... t…
Two Quantitative Variables
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the boxplots below shows salaries for construction workers and teachers…
Markos 5000
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suppose that we are studying the amount of time customers wait in line …
1. more variation 2. more spread out 3. closer
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ignoring twins and other multiple births, assume babies born at a hospi…
0.50
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for the data shown, answer the questions. round to 2 decimal places. |x…
Sample mean: $11.77$ Median: $13.20$ Sample standard deviation: $8.55$
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data was collected for 159 randomly selected 10 - minute intervals. for…
5
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let (p(u)=0.48) and (p(v)=0.25). events (u) and (v) are mutually exclus…
A. 0.73
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calculate (\bar{x}) (x - bar), which is the the sample mean, for the da…
$13.39$
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suppose that a random sample of 15 adult u.s. males has a mean height o…
Lower limit: 67.9 Upper limit: 70.1
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suppose that a random sample of 15 adult u.s. males has a mean height o…
Lower limit: 67.9 Upper limit: 70.1
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engage what do you know about the differences between capitalism and co…
Capitalism: Private ownership of means of production, market - driven supply and demand. Communism: Common ownership of means of production, aiming to meet the needs of all member…
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question: dalvin has 13 gallons of gas in his car at the beginning of a…
The independent variable \(x\) represents the number of hours driven. The dependent variable is the amount of gas remaining in the tank. \(B(8)=3\) (meaning after 8 hours of drivi…
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1. calculate the mean (average) number of licks. 2. determine a median …
1. Mean: Cannot be calculated without data. Use $\bar{x}=\frac{\sum_{i = 1}^{n}x_i}{n}$ when data is available. 2. Median: Cannot be calculated without data. Arrange data and use …
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show all your work. indicate clearly the methods you use, because you w…
(a - i) A histogram with x - axis labeled as "Amount" with intervals \(0 - 5\), \(5 - 10\), \(10 - 15\), \(15 - 20\), \(20 - 25\), \(25 - 30\) and y - axis labeled as "Frequency" …
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50 part - time students were asked how many courses they were taking th…
a. | # of Courses | Frequency | Relative Frequency | Cumulative Frequency | |---|---|---|---| | 1 | 12 | 0.24 | 12 | | 2 | 21 | 0.42 | 33 | | 3 | 17 | 0.34 | 50 | b. 34%
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a list of 16 random numbers is given in the table below. use the freque…
| Class | Frequency | Relative Frequency | | ---- | ---- | ---- | | 20 - 29 | 4 | 0.25 | | 30 - 39 | 6 | 0.375 | | 40 - 49 | 5 | 0.3125 | | 50 - 59 | 1 | 0.0625 |
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multiple - choice question what does the word conquistador mean? conque…
A. conqueror
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five hundred consumers were surveyed about a new brand of snack food, c…
$\frac{11}{116}$ $\frac{58}{125}$ $\frac{107}{250}$ $\frac{3}{8}$
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suppose z follows the standard normal distribution. use the calculator …
0.53
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pollsters are concerned about declining levels of cooperation among per…
80.4
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6. the dot - plot shows the number of goals scored by the united states…
6a. Mean: [Calculated value], Median: [Calculated value] 6b. On average, the number of goals scored in each match deviates from the mean by about 2.55 goals. 6c. Removing the outl…
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9. choose the correct possessive adjective for the phrase. es la pluma …
9. tu 10. you do have to pronounce the u. 11. Correct
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chapter 3: 3.4 contingency tables - homework score: 4/10 answered: 2/5 …
0.2286
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1. write the plural for the phrase: la casa 2. select the correct conju…
1. Las casas 2. canté 3. None of the provided options are correct (correct would be something like "Gire a la derecha"). But if we assume some approximation, the closest might be …
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3. eighteen different players on a college lacrosse team scored at leas…
a. Outliers using 1.5 x IQR method: 107, 121 b. Outliers using 2 x SD method: 107, 121 c. Box - plot: Minimum = 1, $Q_1 = 6$, Median = 13, $Q_3 = 32$, Maximum non - outlier (withi…
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question 3 of 3 3 read these sentences from the text. click to highligh…
1. She helped people after they died. 2. She supported them in their journey from the Powhatan world to the afterlife by giving them food and shelter.
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36. select the correct spanish name for the number 2024. dos mil veinti…
36. Dos mil veinticuatro 37. To the east 38. Hay que ir de compras. 39. limpia 40. Both there is and there are
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the density of people per square kilometer for 56 countries is in the t…
| Class limits | Frequency | Relative frequency | Cumulative frequency | |---|---|---|---| | 28 - 102 | 17 | 0.3036 | 17 | | 103 - 177 | 7 | 0.1250 | 24 | | 178 - 252 | 5 | 0.0893…
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a cbs news poll involved a nationwide random sample of 651 adults, aske…
a. \(0.3625\) b. \(0.4316\) c. \(0.3686\) d. \(0.3096\) e. \(0.1336\)
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5) fill in the blank with the correct vocabulary word for each definiti…
a. Sample Space b. Theoretical Probability c. Probability d. Event e. Outcome f. Experimental Probability
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32. precaución means: caution worry 33. what word do you use for a “str…
32. A. Caution 33. A. Cuadra 34. A. Este 35. limpió
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4. the ens number applies to what type of intersection (a) four way sto…
4. d. Railroad crossings 5. a. White lines 6. 100 7. police officer 8. Yellow 9. cross - buck 10. curb line (or edge line)
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giving a test to a group of students, the grades and gender are summari…
$0.4265$