Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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the students in a science class took a final exam. the box-and-whisker …
(a) 75 (b) 90 (c) 80
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car dealership | number of cars sold gmc | 84 chevrolet | 81 nissan | 9…
12.5
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what does the sentence \fui a bogotá.\ mean? (1 point) ○ i was in bogot…
I went to Bogotá.
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a car dealership owner created a data table to see how many new and use…
\(71\)
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what is the upper and lower quartile of this set of data? 15, 19, 20, 2…
lower quartile: 19, upper quartile: 38 (the third option)
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each day, for several weeks, a food bank recorded the number of people …
(a) \(105\) (b) \(82\) (c) \(98\)
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what is the range for this set of data? 7, 15, 12 ○ 3 ○ 5 ○ 8 ○ 12
C. 8
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which of the following sentences means \it was interesting.\? (1 point)…
Fue interesante.
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204, 216, 111, 224, 230, 211, 210, 198, 200, 218 what numbers represent…
range: \(119\), lower quartile: \(200\), upper quartile: \(218\) (the fourth option)
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follow the steps below to find the mean for the set of data. use the wo…
C. \(7\)
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a school hosted their annual \battle of the classes\ competition. in on…
\(\frac{1}{2}\)
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macbeth uses the metaphor \full of scorpions\ to describe his mind. wha…
His guilty conscience is attacking him
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for a science project, leroy recorded the amount of rainfall each day. …
\(\frac{1}{8}\)
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for a science project, leroy recorded the amount of rainfall each day. …
5
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a science class is tracking the progress of plant growth. the class sta…
C. the y - intercept is the starting height of the plant
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question 4 of 6 what does \pay yourself first\ mean? select a response.…
Put money in your savings account before you pay other expenses
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for the science fair, roxanne designed shoes that make you jump higher.…
\(\frac{1}{2}\)
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spanish question words rearrange the letters below to form a spanish qu…
13. 1 14. 12 15. 4 16. 5 17. 7 18. 8 19. 3 20. 2 21. 9 22. 10 23. 11 24. 6
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for the science fair, roxanne designed shoes that make you jump higher.…
\(6\)
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number of houses 6 5 4 3 2 1 0 1-2 3-4 5-6 7-8 9-10 number of rooms wha…
The houses surveyed had between 1 and 10 rooms.
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science grades number of students grades 50 - 59 60 - 69 70 - 79 80 - 8…
It is not evenly distributed.
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number of classrooms 25 20 15 10 5 0 25–29 30–34 35–39 40–44 45–49 50–5…
25 - 29 boxes
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number of runs 1 - 1.99 2 - 2.99 3 - 3.99 4 - 4.99 5 - 5.99 6 - 6.99 7 …
At least 15 of Maria's runs were more than four miles each.
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number of runs 0 1 2 3 4 5 6 7 1 - 1.99 2 - 2.99 3 - 3.99 4 - 4.99 5 - …
1 to 7.99
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johanna graphed the number of calls she made during one day. how many c…
20
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marias monthly jogging number of runs 0 1 2 3 4 5 6 7 8 1 - 1.99 2 - 2.…
The histogram is not symmetrical.
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steven works at a large home appliance store. he earns a base salary of…
A. Steven's base pay
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to pass science, a student must earn at least a grade of 70. how many s…
7
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multiple choice question which choice describes the rule of multiplicat…
The chance of two (or more) independent events occurring together is the product of their chance occurring separately.
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number of students 8 7 6 5 4 3 2 1 0 0–1.99 2–3.99 4–5.99 6–7.99 8–9.99…
A. \(0 - 1.99\)
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using a frequency table to construct a histogram temperature (°f) | num…
- Horizontal axis: Temperature - Interval for horizontal axis: \(20\) - Vertical axis: Number of days - Scale for vertical axis: \(0 - 100\)
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number of texts the histogram shows the number of text messages sent by…
The students were in school and were not allowed to text.
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number of texts the histogram shows the number of text messages sent by…
The students were asleep and did not have phones turned on.
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writing about histograms the scores for today’s math quiz are 75, 95, 6…
First, find the range of the data. Then decide on class intervals. Next, tally the data into the classes. Finally, draw the histogram with class intervals on the x - axis and freq…
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analyzing student work for errors plant growth growth (cm) water (ml) d…
The graph does not show intervals with 0 frequency.
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analyzing student work for errors plant growth dean describes the data …
The graph does not show intervals with 0 frequency.
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Question was provided via image upload.
- The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening. - The peak from 4 p.m.–6 p.m. means that the highest number of texts was sen…
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hospital noise levels noise levels at various area urban hospitals were…
49.5 < μ < 50.9
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shade 20% of the figure.
Shade 4 squares of the figure.
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number of payphones the histogram shows the number of payphones that we…
between 150 and 200
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identifying parts of a histogram henry’s restaurant given the histogram…
Zero frequency: \(351 - 400\), A peak: \(651 - 700\)
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analyzing data greeting card sales the histogram shows the monthly sale…
clusters
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length of growing seasons the growing seasons for a random sample of 34…
170.5 < μ < 206.4
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alonzo describes a histogram as having a cluster from 20–50, a frequenc…
The first histogram (the one on the left)
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gasoline use a random sample of 64 drivers used on average 744 gallons …
733 < μ < 755
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reading a histogram time spent practicing the histogram represents the …
The bars represent the number of students. According to the histogram, 4 students spend 3 or more hours practicing. According to the histogram, 3 students spend fewer than 2 hours…
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gasoline use a random sample of 64 drivers used on average 744 gallons …
739 < μ < 749
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how many significant figures in the following number? 1.0080 1 2 4 5
5
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which are true statements about histograms? check all that apply. □ dat…
Data are organized in equal intervals, Bars must appear in numerical order, Bars are always touching.
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gasoline use a random sample of 25 drivers used on average 756 gallons …
738 < μ < 774
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writing about displaying data on a histogram explain how to describe th…
Describe the x - axis (data intervals), y - axis (frequency), shape (symmetric/skewed), tallest/shortest bars, and gaps (if any).
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explain how to display data on a histogram.
First, determine the range of the data and divide it into intervals (bins). Then, count the number of data points in each bin (frequency). Next, label the x - axis with the bin in…
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fast-food bills for drive-thru customers a random sample of 41 cars in …
15.84 < μ < 18.46
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enter two or more numbers in the table to create a histogram. enter the…
The histogram is symmetrical.
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understanding frequency enter two or more numbers in the table to creat…
Nino studies for \(0 - 1\) hour most often, Nino did not study for \(2 - 3\) hours any day, Nino kept track of his study time for \(10\) days, Nino studied for \(4 - 5\) hours on …
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enter two or more numbers in the table to create a histogram. data show…
The peak at \(\boldsymbol{\$8 - \$9}\) tells us the amount of money Liv makes \(\boldsymbol{\text{most often}}\). No bar at \(\boldsymbol{\$12 - \$13}\) means Liv never made betwe…
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enter two or more numbers in the table to create a histogram. enter the…
6
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interpreting the shape of the data enter two or more numbers in the tab…
The histogram is not symmetrical.
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interpreting the shape of the data enter two or more numbers in the tab…
The histogram has 2 clusters, the histogram has 2 peaks (if we consider the two - cluster structure as two peaks in a broad sense), the histogram has 0 frequency from \(4 - 5\).
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analyzing shape of a histogram length of employment the histogram shows…
\(1 - 3\)
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a variable whose levels are controlled by the experimenter is called a …
A. factor
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analyzing shape of a histogram length of employment the histogram shows…
The shape of the histogram is right - skewed. There is an outlier in the interval of 7 - 9 months.
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coffee stations in offices often just ask users to leave money in a tra…
C. The differences in money collected were larger than could be reasonably attributed to usual day - to - day variation.
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innovative installers provides a variety of services related to office …
A. Set up their display to maximize its visibility.
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in countries known to contain lower levels of vitamin d, there were mor…
A. Yes, because the disease in the study is a rare disease, a retrospective study is appropriate. ### Part c)
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in counties known to contain lower levels of vitamin d, there were more…
Case - Control, Retrospective (the options marked in the problem for part a are "Case - Control" and "Retrospective") ### Part b)
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use the histogram and the drop-down menus to complete the statements. t…
This histogram can be described as symmetric, because the bars on the left side of the graph are the mirror image of the bars on the right side of the graph. Because the histogram…
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researchers who examined health records of thousands of males found tha…
C. No, since there may be lurking variables, such as patient age or weight.
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new gym memberships use the histogram and the drop-down menus to comple…
- This histogram has 2 clusters. - The clusters tell us when there is a higher frequency of new memberships. - The peak in Jan 1 - 31 tells us when the most new memberships were s…
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systolic blood pressure assume that the mean systolic blood pressure of…
0.1985
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for his statistics class experiment, research j. gilbert decided to stu…
D. This is not an experiment. There are no manipulated factors. This is an observational study. ### Part (b)
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it costs a company $6 to manufacture a product. it sells the product fo…
Manufacturer’s markup = 40 percent; wholesaler’s markup = 16.67 percent; retailer’s markup = 50 percent
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medicare hospital insurance the average yearly medicare hospital insura…
Part1: 0.0158 Part2: 0.0040
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interpreting a histogram use the drop-down menus to answer the question…
What do the numbers on the left, or y - axis, represent? Number of students. How many students spent 2 or more hours studying? 12. How many students spent fewer than 2 hours a nig…
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there is 1 pound in 16 ounces, so the ratio of pounds to ounces in frac…
\(\frac{1}{16}\)
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cell phone lifetimes a recent study of the lifetimes of cell phones fou…
0.0838
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how many pounds are in 48 ounces? there is 1 pound in 16 ounces, so the…
\(\frac{1}{16}\)
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what is the protagonist’s name? (google search \protagonist\ if you don…
A. Eric (assuming the context where Eric is the protagonist; without full context, this is based on common naming or intended answer)
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mode=27 mean: 22.5 median 22 (16,15,15,14) the data set in order from l…
Ordered set: \((14, 15, 15, 16)\) Maximum: \(16\) Minimum: \(14\) Range: \(2\) Mode: \(15\) Mean: \(15\) Median: \(15\)
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which graph is a histogram? three bar graphs labeled spring sports are …
The second graph (with "3 - 4", "5 - 6", "7 - 8" on the x - axis) is a histogram.
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teachers’ salaries in north dakota the average teacher’s salary in nort…
0.0582
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a) callie used 9.21 grams of toothpaste in a 31-day month. approximatel…
Callie used approximately \( 0.3 \) grams of toothpaste each day.
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10. choose the correct description. allison took her dog out and altern…
Jackson ran to try and catch a bus at a stop almost half a mile from his house. He waited two minutes at the stop but realized he missed the bus. He turned and started walking bac…
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(24, 21, 23, 21) put the data set in order from least to greatest (____…
Ordered data set: \((21, 21, 23, 24)\) Maximum: \(24\) Minimum: \(21\) Range: \(3\) Mode: \(21\) Mean: \(22.25\) Median: \(22\)
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reading bar graphs video games sold use the bar graph and the drop - do…
There are 4 categories of video games being compared. Adventure games sold the most of any category. The number of simulation video games sold was 5 million.
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9. choose the correct description. allison took her dog out and alterna…
Palsley drove to her friend's house to go study with her for an upcoming test. It normally takes her five minutes to get to her friend's house. Today, however, she got stopped by …
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name on the seventh day of christmas my true love gave to me... synonym…
Across (Synonyms): 2. injure 4. peaceful 7. select 8. rush 10. intelligent 12. tasty Down (Antonyms): 1. winter 3. crooked 5. correct 6. present 9. real 11. last
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writing equations for word problems you can change a word expression in…
Q4: Expression is \( 4h + 5 \), value is 13 Q5: Expression is \( 10 + 15h \), value is 70
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distance vs. time graphs 7. choose the correct description. jackie left…
Jackie left her house for a jog. Her workout alternated between running for 1.5 minutes and walking for 1.5 minutes. She stopped after 0.7 miles to rest at a park.
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5.) ryan spent 78.2 minutes watching 59 tiktok videos that were all abo…
Approximately \(1.33\) minutes.
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* 17. analyze what is the mean of 1.2, 1.3, 1.4, and 1.5? 18. the perim…
17. 1.35 18. 81 square inches 19. $2 \times 3 \times 5$
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while visiting leon travel agency to sell radio advertising, a salesper…
innovator
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look at the map. this is an example of how much territory was part of t…
It meant how big the British empire was.
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the movement of the progress bar may be uneven because questions can be…
109
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read the following sentences: learning to drive is intimidating. learni…
The fourth passage: "Learning to drive is intimidating. It takes practice to become a good and safe driver. One thing motorists need to learn is how to anticipate what might happe…
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sparky wants to stimulate the economy with central government help, whi…
The American System
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the graph shows the proportional relationship between strawberries and …
C. For every 6 cups of strawberries, there are 4.5 cups of bananas.
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the graph below shows how much money rednash high school plans to raise…
\$1120 will be raised in the seventh month of the fundraiser. (The option: \$1120 will be raised in the seventh month of the fundraiser.)
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48 patterns of association test* the box - and - whisker plots below sh…
Row 2, Row 1, Row 3
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select the answer from the menu. the number of absent students in 2 hom…
higher median, higher interquartile range