1. The mean annual salary for school teachers was %58000 in 2015. Suppose that all the...
1. The mean annual salary for school teachers was %58000 in 2015. Suppose that all the teachers got a raise of $3000 for their salaries.
1) mean would $3000 increase 2) mean would $58000 increase 3) mean would same
2. type of social media all CCC students use
1) Quantitative 2) categorical
3. All CCC students spend on social media
1) Quantitative 2) categorical
4. Data is Discrete or Continuous? (How much a cat weighs)
5. Data is Discrete or Continuous? (thorns on a rose branch)
Homework Answers
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1. The mean annual salary for school teachers was %58000 in
2015. Suppose that all the...
2 (a) Considering the data mentioned in part (b) of question 1, is the mean height...
2 (a) Considering the data mentioned in part (b) of question 1, is the mean height of the 14 mountains higher than 8000 m a parameter or a statistic as it relates to these 14 mountains? (b) Considering the data mentioned in part (c) of question 1, is the mean height of the students in MAT-114 a parameter or a statistic as it relates to the mean height of all students at Lincoln? (c) Are the heights of...
1. (a) Explain clearly the difference between a population and a sample. (b) There are...
1. (a) Explain clearly the difference between a population and a sample. (b) There are 14 mountains in the world with heights greater than 8000 meters (m, = 26247 feet): can this group of 14 peaks be properly referred to as the population of peaks over 8000 m (Y/N)? (c) If we were to use the mean height of students in MAT-114 to estimate the mean height of students at Lincoln, do the students in MAT-114 represent a...
All of these questions are true or false. I need an explanation for every question. 1)...
All of these questions are true or false. I need an explanation for every question. 1) A teacher collects surveys from every student in the middle school about RLP. This would be considered a census. 2) A survey asks workers how manageable their hours are on a scale from 1 to 5 ( 1 means not manageable and 5 means extremely manageable). This would be an example of categorical data. 3)A teacher asks all representatives for the form if there...
1. Statistical Parameters: it all the time. The data set presented in Table 1 represents a...
1. Statistical Parameters: it all the time. The data set presented in Table 1 represents a sample of stream flows in a perennial stream for a 45-day period, These stream flows were measured using a flow meter that has a precision of t0.1 Cfs. Find the following statistical parameters for the sample data given in Table 1. A perennial stream is a stream that has water flowing in a. Central Tendency i. Mean the average value of the random variable....
Please solve it with steps 1. Statistical Parameters: it all the time. The data set presented...
Please solve it with steps
1. Statistical Parameters: it all the time. The data set presented in Table 1 represents a sample of stream flows in a perennial stream for a 45-day period, These stream flows were measured using a flow meter that has a precision of t0.1 Cfs. Find the following statistical parameters for the sample data given in Table 1. A perennial stream is a stream that has water flowing in a. Central Tendency i. Mean the average...
my questions is q1. what type of lifestyle do you have in terms of physical activity?...
my questions is
q1. what type of lifestyle do you have in terms of physical
activity?
q2. how many days a week do you spend on physical
activity?
q3. how much do you weight
Question 1 Question 2 Question 3 Person 1 Sedentary 0 147 Person 2 2 163 Person 3 5 174 quarantine Heavy working Sedentary Heavy working Person 4 1 181 Person 5 6 170 Person 6 2 150 Person 7 7 130 Sedentary Heavy working quarantine Heavy...
-LEAVE ANSWERS OUT TO 4 DECIMAL PLACES - PLEASE SHOW WORK -EACH PART OF EACH QUESTION...
-LEAVE ANSWERS OUT TO 4 DECIMAL PLACES - PLEASE SHOW WORK -EACH PART OF EACH QUESTION IS WORTH 2 POINTS FOR A TOTAL OF 38 POINTS. 1. Bank account balance is an example of a variable that follows which scale of measurement? a. ratio scale b. interval scale c. nominal scale d. ordinal scale 2./The number of lighting deaths per state in the Midwest over 20 years is listed in the table below. We are interested...
Name: Ch. 2 WH 50 1. (3 points) For each of the following statistical summaries, explain...
Name: Ch. 2 WH 50 1. (3 points) For each of the following statistical summaries, explain whether it is a population parameter or a sample statistic. (a) The average score on the first midterm exam is 798% for n-32 students in a statistics dass. The of the five classes at the university using this one instructor is intersted in describing the performance class. (b) The average score on the first midterm exam is 798% for n-32 students in a statistis...
please answer all question 16-20 Question 16 2 pts The population mean for a standardized test...
please answer all question 16-20
Question 16 2 pts The population mean for a standardized test is 250. A research study with N = 30 adults from Virginia had a mean score of 260, with a 95% confidence interval of the mean reported as [248, 272]. What decision should be made based on this confidence interval? o Run the hypothesis test again o Accept the research hypothesis o Reject the null hypothesis o Fail to reject the null hypothesis Question...
TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male t...
TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male teachers. She picks a random sample by picking a random sample of schools, in the schools picked, picking a random sample of departments, and in the departments picked, picking a random sample of teachers. What kind of sampling was performed? d) voluntary response e) cluster b) stratified Random...
1. Statistical Parameters: it all the time. The data set presented in Table 1 represents a sample of stream flows in a perennial stream for a 45-day period, These stream flows were measured using a flow meter that has a precision of t0.1 Cfs. Find the following statistical parameters for the sample data given in Table 1. A perennial stream is a stream that has water flowing in a. Central Tendency i. Mean the average value of the random variable....
Please solve it with steps
1. Statistical Parameters: it all the time. The data set presented in Table 1 represents a sample of stream flows in a perennial stream for a 45-day period, These stream flows were measured using a flow meter that has a precision of t0.1 Cfs. Find the following statistical parameters for the sample data given in Table 1. A perennial stream is a stream that has water flowing in a. Central Tendency i. Mean the average...
my questions is
q1. what type of lifestyle do you have in terms of physical
activity?
q2. how many days a week do you spend on physical
activity?
q3. how much do you weight
Question 1 Question 2 Question 3 Person 1 Sedentary 0 147 Person 2 2 163 Person 3 5 174 quarantine Heavy working Sedentary Heavy working Person 4 1 181 Person 5 6 170 Person 6 2 150 Person 7 7 130 Sedentary Heavy working quarantine Heavy...
Name: Ch. 2 WH 50 1. (3 points) For each of the following statistical summaries, explain whether it is a population parameter or a sample statistic. (a) The average score on the first midterm exam is 798% for n-32 students in a statistics dass. The of the five classes at the university using this one instructor is intersted in describing the performance class. (b) The average score on the first midterm exam is 798% for n-32 students in a statistis...
please answer all question 16-20
Question 16 2 pts The population mean for a standardized test is 250. A research study with N = 30 adults from Virginia had a mean score of 260, with a 95% confidence interval of the mean reported as [248, 272]. What decision should be made based on this confidence interval? o Run the hypothesis test again o Accept the research hypothesis o Reject the null hypothesis o Fail to reject the null hypothesis Question...
TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male teachers. She picks a random sample by picking a random sample of schools, in the schools picked, picking a random sample of departments, and in the departments picked, picking a random sample of teachers. What kind of sampling was performed? d) voluntary response e) cluster b) stratified Random...
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