Hi i really need help with the following, I am really stuck:
Determine whether the underlined value is a parameter or a statistic. A study of 6,076 adults in public rest rooms found that 23% did not wash their hands before exiting. Is the value a parameter or a statistic? O A. The value is a statistic because the 6,076 adults in public rest rooms are a population. 0 B. The value is a parameter because the 6,076 adults in public rest rooms are a population. 0 C. The value is a statistic because the 6,076 adults in public rest rooms are a sample. 0 D. The value is a parameter because the 6,076 adults in public rest rooms are a sample. The data represents the heights of eruptions by a geyser. Use the heights to construct a stem and leaf plot. Is there strong evidence suggesting that the data are not from a population having a normal distribution? 129 140 110 112 130 96 110 127 126 130 110 100 139 123 109 Height of eruption (in) 150% 130 111 120 148 Which plot represents a correct stem and leaf plot of the data? OA. _9_029 10019 If there were a 200 foot eruption, how many stems would it add to the chart above? OA. 5 03.1 06.6 00.4 Some people responded to this request: "Dial 1-900-PROLIFE to participate in a telephone poll on abortion. ($0.45 per minute. Average call: 3 minutes. You must be 16 years old.)" Identify the (a) sample and (b) population. Also, determine whether the sample is likely to be representative of the population. 3. Identify the sample. Choose the correct answer below. 0 A. The sample is a randomly selected group from all individuals who responded. O B. The sample is all individuals who responded. O C. The sample is a non-randomly selected group from all individuals who responded. O D. The sample is all individuals who knew about abortion and were at least 16 years of age. The following information is collected from students upon exiting the campus bookstore during the rst week of classes. 3. Age in years b. Method at payment c. Weight d. Academic minor Classify each of these variables as categorical (qualitative) or numerical. If the variable is numerical, determine whether the variable is discrete or continuous. NOTE: we will use categorical and qualltallve lnterchangeably lhroughoutl 3. Age in years is what type 0! variable? 0 Numerical, continuous 0 Numerical, discrete O Qualitative What is the measurement scale of this variable? 0 interval O nominal h. Method at payment is what type of variable? 0 Qualitative 0 Numerical, continuous 0 Numerical, discrete What is the measurement scale of this variable? 0 ordinal O nominal c. Weight is what type of variable? 0 Numerical, discrete O Qualitative 0 Numerical, continuous What is the measurement scale of this variable? 0 interval 0 ratio d. Academic minor is what type of variable? 0 Qualitative 0 Numerical, continuous 0 Numerical, discrete What is the measurement scale of this variable? 0 interval 0 nominal O ordinal O interval 0 nominal 0 ratio 0 ratio 0 ratio 0 ordinal O ordinal For each of the following variables, determine whether the variable is categorical or numerical. If the variable is numerical, determine whetherthe variable is discrete or continuous. NOTE: we will use categorical and qualitative interchangeably throughouti a. The time in hours spent watching TV per week b. The number of online purchases made in a week c. The name of a household's cable television provider a. The time in hours spent watching TV per week is what kind of variable? 0 Qualitative 0 Discrete numerical 0 Continuous numerical What is the measurement scale for this variable? 0 interval 0 ratio 0 nominal O ordinal b. The number of online purchases made in a week is what kind of variable? 0 Qualitative 0 Discrete numerical 0 Continuous numerical What is the measurement scale for this variable? 0 nominal O interval 0 ordinal 0 ratio c. The name of a household's cable television provider is what kind of variable? 0 Qualitative 0 Discrete numerical 0 Continuous numerical What is the measurement scale for this variable? 0 ordinal O interval 0 nominal 0 ratio For each of the following variables, determine whether the variable is categorical (qualitative) or numerical. If the variable is numerical, determine whether the variable is discrete or continuous. a. The amount of money a person spent in the past month b. A person's preferred brand of coffee c. The number of pairs of shoes 3 person owns a. The amount of money a person spent in the past month is what kind of variable? 0 Qualitative 0 Continuous numerical 0 Discrete numerical What is the measurement scale? 0 interval O nominal 0 ratio O ordinal b. A person's preferred brand of coffee is what kind of variable? 0 Qualitative 0 Discrete numerical 0 Continuous numerical What is the measurement scale? 0 ratio 0 ordinal O nominal O interval c. The number of pairs of shoes a person owns is what kind of variable? 0 Continuous numerical O Qualitative 0 Discrete numerical What is the measurement scale? 0 interval 0 nominal O ordinal 0 ratio For each of the following variables, determine whether the variable is categorical or numerical. lithe variable is numerical, determine whether the variable is discrete or continuous. NOTE: we will use categorical and qualitative interchangeably lhroughoutl a. The number of landline telephones in the household b. Whether telephone service in a household is provided by the household's Internet provider c. The distance (in miles) from a person's house to the nearest store a. The number of landline telephones in the household is what kind of variable? 0 Qualitative 0 Continuous numerical 0 Discrete numerical What is the measurement scale for this variable? 0 ratio 0 ordinal O interval O nominal b. What type at variable is 'Whether telephone service in a household is provided by the household's Internet provider"? 0 Discrete numerical 0 Continuous numerical O Qualitative What is the measurement scale for this variable? 0 nominal 0 ratio O interval 0 ordinal c. The distance (in miles) from a person's house to the nearest store is what kind of variable? 0 Continuous numerical O Qualitative 0 Discrete numerical What is the measurement scale for this variable? 0 ordinal O interval 0 ratio 0 nominal For each of the following variables, determine whether the variable is categorical (qualitative) or numerical. If the variable is numerical, determine whether the variable is discrete or continuous. NOTE: we will use categorical and qualitative interchangeably throughout! a. The number of televisions in a household b. Whether there is a high-speed lntemet connection in the household c. The length (in minutes) of the longest telephone call made in a week a. The number of televisions in a household is what kind of variable? 0 Continuous numerical O Qualitative 0 Discrete numerical What is the measurement scale for this variable? 0 interval 0 nominal O ordinal 0 ratio b. The Year that the rst cell phone was put on the market is described on which measurement scale? 0 interval 0 nominal O ordinal 0 ratio c. The length (in minutes) of the longest telephone call made in a week is what kind of variable? 0 Continuous numerical O Qualitative 0 Discrete numerical What is the measurement scale for this variable? 0 nominal O interval 0 ratio 0 ordinal Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. Ranks of cars evaluated by a consumer's magazine. Choose the correct answer below. 0 A. The interval level of measurement is most appropriate because differences are meaningful, but there is no natural zero. 0 B. The ordinal level of measurement is most appropriate because categories are ordered, but differences cannot be found or are meaningless. O C. The ratio level of measurement is most appropriate because ratios are meaningful, and there is also a natural zero. 0 D. The nominal level of measurement is most appropriate because data cannot be arranged in an ordering scheme. Suppose the following information is collected on an application for a loan. 3. Insurance payments of $369 is what type of variable? 3. Insurance payments: $369 b. Number of credit cards: 3 c. Employer: Self 0 Numerical. continuous d. Own a second car: No Q Categorical 0 Numerical, discrete Classify each of the responses by type of data