Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
-
below are the jersey numbers of 11 players randomly selected from a foo…
A. Jersey numbers are nominal data that are just replacements for names, so the resulting statistics are meaningless
-
a sociologist observing behavior at a college football game would most …
C. the interaction among fans during the pre - game ritual of tailgate parties.
-
select the correct answer. a city planner is mapping the population of …
A. choosing every 100th name
-
identify the symbols used for each of the following: (a) sample standar…
a. g b. g c. $g^{2}$ d. $g^{2}$
-
select the correct answer from each drop - down menu. shona spins a spi…
The first blank: 18 The second blank: 24
-
select the correct answer. how could you adjust the line in this scatte…
C. Decrease the y - intercept, and increase the slope.
-
jenna grabs a sample of trail mix from a bag. the mix contains peanuts,…
a sample of 40 pieces, a sample of 20 pieces, a sample of 10 pieces, a sample of 5 pieces
-
a random sample of 10 subjects have weights with a standard deviation o…
$119.8687$ kg$^{2}$
-
drag each label to the correct location on the tree - diagram. each lab…
The top - unlabeled box (first - level) is road 1. The unlabeled box under road 1 (second - level) is scooter.
-
select the correct answer. the scatter plot shows the association betwe…
B. $y=\frac{160}{7}x + 100$
-
the development of a system of mass production in manufacturing meant t…
machines rapidly produced large amounts of product.
-
an animal sanctuary houses a variety of animals. to understand the work…
(a) 6 (b) 7 (c) Goats, Otters, Rabbits
-
a college radio station surveyed 420 incoming freshmen to see how many …
(a) 254 freshmen (b) 121 freshmen (c) 197 freshmen
-
listed below are the measured radiation emissions (in w/kg) correspondi…
B. There is no mode
-
listed below are the measured radiation emissions (in w/kg) correspondi…
b. 0.660 c. 0.835 d. B. There is no mode
-
listed below are the measured radiation emissions (in w/kg) correspondi…
0.835
-
answer the questions below. (a) from the 13 albums released by a musici…
(a) 715 (b) 474306
-
listed below are the measured radiation emissions (in w/kg) correspondi…
$0.775$
-
select the correct answer. what does it mean for a credit to transfer? …
A. that each academic institution will accept the credit a student earns for the class
-
(a) complete the table. | | number of stores | percent | number of degr…
| | Number of Stores | Percent | Number of Degrees | |--|--|--|--| | Pizza chain A | 3600 | 20% | 72 | | Pizza chain B | 7200 | 40% | 144 | | Pizza chain C | 7200 | 40% | 144 |
-
feelings number percent (rounded to one decimal place) degrees (rounded…
| Feelings | Number | Percent | Degrees | | ---- | ---- | ---- | ---- | | Love it | 2 | 7.1% | 26° | | Like it | 5 | 17.9% | 64° | | Take or leave | 12 | 42.9% | 154° | | Don't li…
-
raina won a charity raffle. her prize will be randomly selected from th…
(a) $8:1$ (b) $1:8$
-
label where each country explored/colonized: spain, france, england. wh…
1. The main reasons the Spanish explored the Americas: They sought gold, silver, and other valuable resources, wanted to spread Christianity, and aimed to gain power and prestige …
-
listed below are pulse rates (beats per minute) from samples of adult m…
The mean for males is $72.5$ beats per minute and the mean for females is $74.4$ beats per minute.
-
keith is at the grand opening celebration of a supermarket. he spins a …
(a) $7:3$ (b) $3:7$
-
which of the following is always true? choose the correct answer below.…
C. In a symmetric and bell - shaped distribution, the mean, median, and mode are the same
-
fill in the blank. the measure of center that is the value that occurs …
mode
-
which of the following is not a measure of center? choose the correct a…
D. census
-
fill in the blank a value at the center or middle of a data set is a(n)…
measure of center
-
a coin is flipped and a number cube is rolled. the tree - diagram below…
(a) 12 (b) 4 (c) 3
-
a students course grade is based on one midterm that counts as 10% of h…
$82.95$
-
one equation in a system of equations with one - solution is 4x + 2y = …
B. \(x - 6y=-12\), D. \(-3x + 10y = 1\)
-
write the vocabulary word that means the same as the one given in each …
1. brilliant 2. introverted 3. extroverted
-
a coin is tossed three times. an outcome is represented by a string of …
Event A: TTT, TTH, THT, HTT; $\frac{1}{2}$ Event B: HHH, THH; $\frac{1}{4}$ Event C: HTT, TTT, HTH, TTH; $\frac{1}{2}$
-
a number cube is rolled three times. an outcome is represented by a str…
Event A: Check OOO, OOE; Probability: $\frac{1}{4}$ Event B: Check OOE, EEE, EEO, OEE; Probability: $\frac{1}{2}$ Event C: Check OOO, OOE, OEO, EOO, EOE; Probability: $\frac{5}{8}$
-
use the magnitudes (richter scale) of the earthquakes listed in the dat…
A. Yes, because this value is very far away from all of the other data values
-
counting and probability. determining a sample space and outcomes for a…
Sample space: {A, B, C, D, E} Event of choosing the letter B: {B}
-
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 a number from 3 to 6: {3, 4, 5, 6}
-
use the space below to describe the process of converting and ordering …
The process of converting real numbers to decimals involves division for fractions and approximation for roots. Descending order is from largest to smallest. To put numbers in des…
-
ap statistics 1.1 practice name kymberly ap 1. a sports analyst collect…
1. a. The 30 major - league baseball teams. b. Stadium capacity, number of wins last season. c. League, whether or not the team reached the playoffs. 2. a. The variable is the gen…
-
counting and probability probability involving one die or choosing from…
$\frac{3}{7}$
-
a box contains ten cards labeled q, r, s, t, u, v, w, x, y, and z. one …
$\frac{2}{5}$
-
a bag with 6 marbles is shown below. (3 marbles are blue and 3 are red.…
0
-
select the correct answer. ramon applied to the state university in the…
D. Learn from this opportunity, reevaluate his options, and apply to his second and third choices
-
use the least squares regression line of this data set to predict a val…
$206.614$
-
question 29 of 30 29. this sign means choose one a. detour. b. stop for…
C. Watch for a flagman that controls speed through a construction area.
-
interpret the least squares regression line of this data set. kurt is a…
3.099
-
a spinner with 10 equally sized slices is shown below. (3 slices are ye…
$\frac{3}{10}$
-
select the correct answer. orlando wants to become a certified public a…
C. Finance
-
match each assessment type with its correct description. interest inven…
measures your natural talents → aptitude assessment takes stock of the things you like to do → interest inventory takes stock of the things that have meaning to you → value invent…
-
audrey has trouble getting her math homework done on time, and her moth…
165
-
audrey has trouble getting her math homework done on time, and her moth…
14.014
-
question 15 of 30 15. a solid yellow line on your side of the center st…
A. do not pass
-
question 14 of 30 14. this sign means choose one a. prepare for a reduc…
A. Prepare for a reduction in traffic lanes ahead.
-
find the equation for the least squares regression line of the data des…
\(y=-13.980x + 248.602\)
-
question 13 of 30 13. this sign means choose one a. be very careful to …
b. Be very careful to avoid skidding in wet weather.
-
a software developer is looking for ways to predict how many bugs will …
0.014
-
question 9 of 30 9. this sign means choose one a. slow down for a right…
C. Drive to the right.
-
question 7 of 30 7. this sign means choose one a. always stop. b. expec…
C. Yield to other traffic.
-
what latin word related to clouds means \wispy\? a. stratus b. nimbus c…
C. Cirrus
-
question 5 of 30 5. this sign means choose one a. be extra careful not …
A. Be extra careful not to run off of the pavement.
-
question 4 of 30 4. this sign means choose one a. stop and wait for onc…
c. Be sure to stay well in your lane because the bridge ahead has room for only two lanes of traffic.
-
question 2 of 30 2. this sign means choose one a. get ready to cross a …
b. Get ready to enter a two - way street.
-
adult drivers education final exam (version a) question 1 of 30 1. this…
B. Be sure your load is not higher than 12 ft. 6 in.
-
adult drivers education final exam (version a) question 1 of 30 1. this…
B. Be sure your load is not higher than 12 ft. 6 in.
-
1. some historians believe the confederacy first came together about 90…
A. A political and cultural alliance
-
a sample of blood - pressure measurements is taken from a data - set an…
The mean for systolic is $122.2$ mm Hg and the mean for diastolic is $65.1$ mm Hg.
-
read the sentence. before the main performance, the audience was entert…
B. Before the main performance, the comedian entertained the audience.
-
find the (a) mean, (b) median, (c) mode, and (d) midrange for the data …
a. Mean: Sum of all values: $39+70+70+70+75+75+85+95+100+125+175+175+250+259+275+275+300+375+425+450+450+450+450+2000+3000 = 9169$ Mean=$\frac{9169}{25}=366.76$ b. Median: $250$ c…
-
which quote best supports the idea that democracy can be adapted to sui…
A. "It sounds kind of obvious to us, but it hasn't always been like that. And it isn't like that everywhere in the world today."
-
find the (a) mean, (b) median, (c) mode, and (d) mid - range for the da…
187.50
-
read the quote. what does participate mean as it is used in this contex…
C. to take part in an activity or event
-
listed below are the measured radiation emissions (in w/kg) correspondi…
B. There is no mode
-
listed below are the measured radiation emissions (in w/kg) correspondi…
0.885
-
listed below are the measured radiation amounts (in w/kg) corresponding…
1.44
-
matching word parts with definitions following are definitions of the t…
1. Mega - 2. ify 3. Forth - 4. Phob - 5. Bi - 6. (There is an error in the given match, no correct match from provided list for this definition here) 7. Cardio - 8. Psycho - 9. - …
-
read the quote. what does issue mean as it is used in this context? a a…
A. an important topic for discussion
-
read the quote. what is the meaning of rights as it is used in this con…
C. the privileges or freedoms that individuals are entitled to
-
7 magni-, magn- the word part magni- or magn- means 8 phob the word par…
7. C. large 8. C. fear 9. A. forward 10. A. mind
-
read the quote. what is the meaning of city - state as it is used in th…
D. an independent urban area with a significant population and its own government
-
listed below are the measured radiation emissions (in w/kg) correspondi…
$0.892$
-
question 18 (1 point) which of the following options is the most likely…
B. The "scar" is an area of the jungle that has been nearly flattened by some catastrophe
-
listed below are the measured radiation emissions (in w/kg) correspondi…
$0.974$
-
what is the meaning of “deprecated” as it is used in the text below? “b…
C. Expressed disapproval of
-
maintained the highest grades for eight years. the scholarship jacket h…
C. It makes Marta realize the true value of the jacket.
-
maintained the highest grades for eight years. the scholarship jacket h…
A. It reveals that he feels guilty because he knows what he is doing is wrong.
-
1. in paragraphs 8 - 10, why is it significant that the principal canno…
A. It reveals that he feels guilty because he knows what he is doing is wrong.
-
question 15 (1 point) without sounding like a nitpicker, and without ex…
Carping
-
question 13 (1 point) most americans consider it an inequity that milli…
Largesse
-
question 9 (1 point) a word that means relevant and pertinent is: word …
Germane
-
question 29 (1 point) some words have such connotations and meaning tha…
invidious
-
*maria is weighing two work paths. path a promises high income but requ…
C. Evaluating both options by considering personal goals, long - term growth potential, and the opportunity costs associated with extra education and training.
-
3. model the following problems using a number line and record your ans…
$-6-(-4)=-6 + 4=-2$ For the other expressions: a. $-4 + 6$: - Start at - 4 on the number - line. Adding 6 means moving 6 units to the right. So, $-4+6 = 2$. b. $8+-3$ (which is th…
-
question 26 (1 point) the cordial, friendly, and easy mood with which t…
congealed
-
textbook pages: 2 - 62 1. what word means \mental\ activity?
Cognitive
-
so earth science is simply the knowledge and organized methods of obser…
1. A comprehensive set of beliefs and values about the world and one's place in it. 2. Different world - views, prior knowledge, and research methods. 3. Creation, fall, redemptio…
-
the following segmented bar graph shows whether adults and children enj…
2.3 times more likely
-
the following segmented bar graph shows whether adults and children enj…
2.3 times more likely
-
which of these best exemplifies the direct consequences of lincolns get…
People came away with a new meaning and purpose for the war.
-
the director of health services is concerned about a possible flu outbr…
$\frac{13}{17}$