Week 1

Identify the sample chosen for the study. The number of times 1212 out of 2828 students on your floor order fast food in a week.

12 students on your floor

Identify the population being studied. The heights of 1313 out of the 3030 cucumber plants at Mr. Lonardo's greenhouse.

All cucumber plants at Mr. Lonardo's greenhouse.

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. A supervisor must give a summary evaluation rating from among the choices given below: 1) Poor 2) Fair 3) Good 4) Very good 5) Excellent

Qualitative, Neither, Ordinal

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. You toss a coin and record "head" as 1 and "tail" as 2.

Qualitative, Neither,nominal

Fill in the blank with the most appropriate term. Factors that influence the results of a study that the researcher did not, or could not, account for are known as ?

confounding variables

Fill in the blank with the most appropriate term. are additional variables that were not measured but affected the outcomes in a study

confounding variables

Pounds gained by persons in your class during the first month of the semester are an example of which type of data?

continious

Weights of animals are an example of which type of data?

continous

When conducting a medical study a researcher should not apply a process to produce a desired response to the .

control group

Determine whether the statement describes a descriptive or inferential statistic. The average number of hours students in your statistics class study per week is 17.417.4.

descriptive statistic

IQ scores, reported in whole numbers, of research scientists are an example of which type of data?

discrete

The numbers of questions answered correctly by various students on a 1010-question quiz are an example of which type of data?

discrete

Determine whether an observational or experimental study is appropriate to address the following statement. A gift shop owner wants to study if dressing an employee in a gorilla costume will bring in more customers.

experimental

Genders are an example of which type of data?

neither

Hair colors are an example of which type of data?

neither

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. A company's international marketing group asked the following question to residents of 50 countries: "What has been your experience with American products?" 1) Below Average 2) Average 3) Above Average 4) Good to Excellent

qualitative, neither, ordinal

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The IQ scores of students at the local college.

quanitaitve, discrete, interval

Temperatures in degrees Kelvin of various sites on the moon are an example of which type of data?

quanitative

Determine whether the statement describes a population or a sample. The types of cars of a sample of 2424 parents of your classmates.

sample

Determine if the numerical value describes a parameter or a statistic. A recent poll of 12661266 corporate executives showed that the average price of their cars is $45,900$⁢45,900.

sample statistic

Determine if the numerical value describes a parameter or a statistic. A survey of 20232023 people in the U.S. revealed that 54%54% of those surveyed have a college degree.

sample statistic

An experiment in which only the subject does not realize whether they received a placebo or treatment is .

single-blind

In a experiment, only the subject does not know whether they have been placed in the control or experimental group

single-blind

Determine whether the statement describes a descriptive or inferential statistic. A recent poll of 30543054 luxury car owners in Ohio showed that the average price of a luxury car in the U.S. is $49,700$⁢49,700.

inferential statistic

Determine whether an observational or experimental study is appropriate to address the following statement. A coffee shop manager wants to find out if her customer base is shrinking.

observational

Determine whether an observational or experimental study is appropriate to address the following statement. A deli cart entrepreneur wants to find out if a need for additional staffing exists

observational

In a double-masked experiment the control group is often given a .

placebo

Determine whether the statement describes a population or a sample. The amount of money each person in your physics class spends at the movies in a month.

population

Determine if the numerical value describes a population parameter or a sample statistic. The average price of a car at the new car dealership in town is $27,100$⁢27,100.

population parameter

Identify the population being studied and the sample chosen. The final exam scores of 44 out of the 2626 students in your world history class.

population- all 4in your class sample- 4 out of 25 studentsin your world house

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The heights of 4848 randomly selected female students. Answer Correct Difficulty level: High Open Tutor

qualitative, continous, ratio

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. A survey response to "what is your favorite color?" 1) Red 2) Blue 3) Green 4) Orange

qualitative, neither, nominal

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The temperature in Fahrenheit of a U.S. city each day for a month.

quanitative, continuous, interval