10784505027 | Q. Statistics | The Science of conducting studies to: collect, organize, analyze, summarize, and draw conclusions from data. | 0 | |
10784505031 | Q. What are the two major categories of data? | 1.Qualitative Variables 2. Quantitative Variables {2 types of Quantitative} | 1 | |
10784505032 | Qualitative Variables | Variables that have distinct categories according to some characteristics or attributes Example: ,gender, religious preferences, geographical location, | 2 | |
10784505033 | Quantitative Variables | Variables that can be counted or measured 2 types: Discrete Variable and Continuous Variable | 3 | |
10784505034 | Q. What type of data is: Your License Plate Number? | Qualitative (distinct categories according to some characteristics or attributes) | 4 | |
10784505035 | Q. What type of data is: The amount of money you have with you? | Quantitative (Variables that can be counted or measured) | 5 | |
10784505036 | Q. What type of data is: Your scores on the ACT test? | Quantitative (Variables that can be counted or measured) | 6 | |
10784505037 | Q. What type of data is: Your best friends name? | Qualitative (distinct categories according to some characteristics or attributes) | 7 | |
10784505038 | Q. Quantitative Data has two SUB-CATEGORIES. What are the two SUB-CATEGORIES? | 1. Discrete Variable 2.Continuous Variable | 8 | |
10784505039 | Discrete Variables | assumes values that can be counted; countable Example: countable numbers, number of children in a family, students in class,number of calls received by switchboard operator each day for a month. | 9 | |
10784505040 | Continuous Variables | Can assume infinite number of values between any two specific values. They are obtained by MEASURING. Often include fractions and decimals. Example: heights, weight, body temperatures, age | 10 | |
10784505041 | Q. True or False: Blood pressure is an example of continuous data. | True | 11 | |
10784505042 | Q Fill in blank The score students will make on this test is an example of .......data | Discrete | 12 | |
10784505043 | Q. Fill in blank The number of coins currently in your purse or pocket is an example of.........data. | Discrete | 13 | |
10784505044 | Q. Fill in blank Your age is an example of .........data | Continuous | 14 | |
10784505045 | Q. Name the 4 levels of MEASUREMENT? | 1.Nominal-"name", no order or ranking 2.Ordinal-Can be placed in categories/ordered/ ranked/ratings. 3.Interval- there is NO meaningful ZERO Example: SAT score Dates, Times 4.Ratio- A TRUE ZERO exist | 15 | |
10784505046 | Nominal Level of Measurement | Data can be placed into categories, these categories can be ordered and ranked. Examples:student evaluations, guest speakers ranked..superior,average,poor. homecoming floats ranked 1st,2nd,3rd. | ![]() | 16 |
10784505047 | Ordinal Level of Measurement | Classify data into categories that can be ranked; however,precise differences between the ranks do not exist. Example: people are classified according to their build(small, medium,or large), a large variation exist among the individuals in each class. Other examples are letter grades ( A,B,C,D,F) | ![]() | 17 |
10784505048 | Interval Level of Measurement | Ranks data,and precise difference between units of measurement do exist; however, there is NO meaningful ZERO. Example: temperature | ![]() | 18 |
10784505049 | Ratio Level of Measurement | All characteristics of Interval measurement; and there TRUE ZERO exist. In addition, true ratio exist when the same variable is measured on two different members of the population. Example: your real age | ![]() | 19 |
10784505050 | Q. What level of measurement is: Temperature on a Celsius scale? | Interval | ![]() | 20 |
10784505051 | Q. What level of measurement is: The grades o this quiz? | Ratio | ![]() | 21 |
10784505052 | Q. What level of measurement is: The hair color of each student in this class? | Nominal | ![]() | 22 |
10784505053 | Q. What level of measurement is: The names of each student listed in order of age from oldest to youngest? | Ordinal | ![]() | 23 |
10784505054 | Q. Define Population | consist off ALL subjects that are being STUDIED;entire | 24 | |
10784505055 | Q. Define Sample | a group of subjects selected from a population; subgroup | 25 | |
10784505056 | Q. Define Random Sample | A Sample in which ALL members of a POPULATION have an EQUAL chance of being selected; Every subset has the same chance.(this is the hardest to do) | ![]() | 26 |
10784505057 | How many Basic sampling methods are used? List them: | There are 4 basic sampling methods 1. Random Sampling 2.Systemic Sampling 3. Stratified Sampling 4.Cluster Sampling Another method use id Convenience Sampling | 27 | |
10784505058 | Q. Give the name of the sampling method: I subdivided the population into 5 groups: Freshman, sophomores, juniors, seniors, and graduates students. I randomly choose 2 of those 5 groups and then sample everyone in those two groups? | Cluster Sample | ![]() | 28 |
10784505059 | Q. Give the name of the sampling method: I subdivided the population into 5 groups: Freshman, sophomores, juniors, seniors, and graduates students. I randomly sample 12 students from each of the 5 groups? | Stratified Sampling | ![]() | 29 |
10784505060 | Q. Give the name of the sampling method: I stand outside the library to ask students their opinion of library services. I decide to sample every 25th student that comes out until i get a sample of 15. I randomly choose a number between 1 and 25 ( for argument sake lets say it turns out to be 16) So I sample the 16th student that comes out and the 25th student that comes out. | Systematic Sampling | ![]() | 30 |
10784505061 | Q. Give the name of the sampling method: I ask a question of my 20 best friends on campus. | Convenience Sampling | 31 | |
10784505080 | True or False: The collection of all cars registered in the United States is an example of a population | True | 32 | |
10784505081 | For a study in which subjects are treated with a new drug and then observed, is this study observational or is it an experiment? | Experimental | 33 | |
10784505062 | The author surveyed all of his students to obtain sample data consisting of the number of credit cards students possess. This is an example of which type of sampling? | Convenience | 34 | |
10784505064 | Six different health plans were randomly selected, and all of their members were surveyed about their satisfaction with their plan. This is an example of which type of sampling? | Cluster | 35 | |
10784505067 | Are movie ratings of G, PG-13, and R quantitative or categorical data? | Categorical | 36 | |
10784505068 | Convert 8.4% to equivalent fraction and decimal | 21/250; 0.084 | 37 | |
10784505069 | Alex went on a 120-mile canoe trip. On the first day they traveled 35 miles. About what percent of the total distance did they travel? | About 30% | 38 | |
10784505070 | 40 is 25% of what number | 1. 160 | 39 |
Elementary Statistics Chapter 1 Test Flashcards
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