Which of the following instruments can be used to find the values of continuous random variable? Select multiple answers here: a. weighing scale b. clicker c. tally sheet d. tape measure
Q: Convert each individual data value to a standardized z-score. A. FICO credit scores:. X=562, u=746,…
A: Givenx=562Mean(μ)=746standard deviation(σ)=63
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A: It is given that there are 12 elements and 4 variables. The objective is to choose the right option.
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A: ANOVA test compares means of more than 2 populations.
Q: nple of size 9, degrees of freedom is equal to
A: The degrees of freedom can be calculated as: DF = n-1 Here, n = sample size
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A: We know that mean m of data is given by m=(sum of terms) ÷ ( no. of terms)
Q: A small warehouse employs a supervisor at $1350 a week, an inventory manager at $770 a week, six…
A: Given 1.supervisor=$1350 2. inventory manager=$770 3.six stock boys=$420 4.four drivers=$520
Q: Lucy would like to find out whether the amount of energy drinks consumed by her class is larger than…
A: Note that here two populations are available, one population is the set of individuals in her class…
Q: A sample has SS= 20 and s? = 4. How many scores are in the sample?
A: Six scores are in the sample.
Q: Find the sample VARIANCE of the following: 7 31 24 17 48 14
A:
Q: The 3rd quartile of the ages of 300 students of Math class is 22 years. Which of the following…
A:
Q: The number of books on the office bookshelves of eight professors are shown below. Find the lower…
A:
Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…
A: Given X=300 n=1815
Q: Determine and o, from the given parameters of the population and sample size. H=85, o = 18, n= 36
A: Given,μ = 85σ = 18n = 36
Q: The third quartile of 4, 6, 8, 9, 9, 11 is: Select one: O a. 8 O b. 5.5 Oc. 9.5 O d. 8.5
A: The third quartile (or upper quartile or 75th percentile) is the median of the upper half of the…
Q: a sample of size 32 and mean = 40, then the degree of freedom is Answer:
A: It is given that, sample size, n=32 Mean =40
Q: A shampoo was sold in 4 different packaging in 12 retail stores with stores randomly assigned for…
A:
Q: Nationally, patients who go to the emergency room wait an average of 5 hours to be admitted into the…
A: One sample t-test: One sample t-test is used to test the significance difference between population…
Q: A question on a survey asked students how much time they spent on their school work per week. The…
A: The given scenario is that,A question on a survey asked students how much time they spent on their…
Q: The upper leg length of adults is normally distributed. If a large sample of adults is randomly…
A: According to the provided information, The upper leg length of adults is normally distributed. The…
Q: Draw a box and whisker plot for this sample 5 7 1 9 11 20 15
A: The box and whisker plot is a graphical method of displaying data. A box and whisker plot is…
Q: We asked students in our class about the reading time per day. We got 57 responses (the sample size…
A: given data n = 57x = 4390% ci for p
Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?
A:
Q: Win Tie Loss 61 20 12 Home Away 39 24 35 Neutral 15 12 15 Determine if there is a significant…
A: The given data is as follows: WinTieLossHome612012Away392435Neutral151215
Q: 0.845 ľyx2 0.791 Txx2 = 0.371
A: Solution : Given : n=5 k =2 ryx1= 0.845 ryx2 = 0.791 rx1x2=…
Q: Ten students are enrolled in a statistics course at Teachers College. In the table below we have…
A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…
Q: The third quartile of 4, 6, 8, 9, 9, 11 is: Select one: O a. 8 O b. 5.5 Oc. 9.5 d. 8.5
A:
Q: Which chi-square test should be used on the following study? A psychotherapist wanted to see what…
A: The chi-square test of independence is known as the method that is used to define whether there is a…
Q: The director of student services at San Bernardino Valley College is interested in whether women are…
A:
Q: The proportion of all passenger who experiencing flight delay is sample statistics and can be…
A: Solution
Q: A researcher investigated the average pay of NJCU psychology graduates in order to determine the…
A: Answer: Given, A researcher investigated the average pay of NJCU psychology graduates in order to…
Q: After all her students did poorly on their first Science exam, a teacher doubled the amount of…
A: It is needed to determine the appropriate testing procedure for the given scenario.
Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?
A:
Q: Find the mean of the following list of weights (in pounds) of Boston terriers at a per store:…
A: Answer: From the given data, 3,6,9,11,13,3,16,20,1,12 Sample size(n) = 10
Q: Shown below are the lengths in minutes of 6 randomly selected Disney movies. Use the data to compute…
A: It is given that the lengths of the 6 randomly selected Disney movies are: Bambi-69, Cinderalla=74,…
Q: The Fish and Game Deparment stocked Lake Loomis with fish according to the following percentages:…
A: Consider that p1, p2, p3, and p4, are the proportion of catfish, bass, bluegill and pike,…
Q: For a sample of n=15 scores, how many scores are used to calculate the sample variance ?
A: Given that : For a sample of n=15 scores, how many scores are used to calculate the sample variance…
Q: The number of degrees of freedom for a test of independence is equal to the sample size minus one.…
A: We have given that the statement:- The number of degrees of freedom for a test of independence is…
Q: If a sample contains 50 data values then the most convenient number of class intervals (rounded off…
A: Since we know that Class interval In a frequency distribution is defined as Class interval: A class…
Q: On a survey, people are classified with the following variable: 0: identify as male 1: identify as…
A: A variable is a characteristic of an object. Their values may occur more than once for a set of…
Q: 18 16 19 20 18 19 23 54 20 16 18 19 18 19 18 40 30 19 18 38
A: The given data is 18,16,19,20,18,19,23,54,20,16,18,19,18,19,18,40,30,19,18,38
Q: ter screens were randomly selected from a large collection of computer screens in a company’s…
A: A sample is a part of the population, which is selected from the population and if the sample is…
Q: The values of the weights of the students are called.... Select one: O a. sample b. data O c.…
A: Data is nothing but the value of information. Data is used to perform the analysis.
Q: Find the value of the test statistic. Find the p-value. (Round your answer to three decimal places.)…
A: Null Hypothesis: H0: There is no difference in the average ratings among the three products.…
Q: A sample of Reese's pieces contains the following: 23 Orange, 14 Brown, 18 Yellow. What is the…
A:
Q: When performing a test about the population proportion, what distribution would you need to use?…
A: When we are performing a test about the population proportion, we use z-distribution
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- Use the following information for the question. A group of home gardeners want to test whether the type of soil used to grow heirloom tomatoes has an effect on the number of tomatoes harvested. Gardeners randomly assigned tomato plants to be grown in soil with no fertilizer, commercial plant food, and homemade compost. All other growing conditions were kept the same. Forty plants were assigned to each group. At the end of the growing season the number of tomatoes harvested was counted. Assume that all other conditions for the ANOVA test have been met. One-way ANOVA F=0.762135 P=0.5202354 Factor df-2 SS=710.349206 MS=355.174603 Using the test results provided, test the hypothesis that soil treatment affects the number of tomatoes harvested. Use a significance level of 5%. Choose the correct decision regarding the null hypothesis and correct conclusion. O Reject Ho. We can conclude that the treatment of the soil affects the number of heirloom tomatoes harvested. O Reject Ho- We can…What is the composite scoresif the 90% Ci for the population mean is (-1, 4.4) what is the sample mean a. can't be found b. 2.7 c. 5,40 d. 1.7
- What is the p value ?Which of the following is NOT a voluntary response sample? Choose the correct answer below. OA. A survey is taken at a mall by asking passersby if they will fill out the survey. OB. A local dentist asks her patients to fill out a questionnaire and mail it back to determine the quality of the care received during an office visit. OC. A radio station asks for call-in responses to a question concerning city recycling. O D. Quiz scores from a college level statistics course are analyzed to determine student progress.The home run percentage is the number of home runs per 100 times at bat. A random sample of 43 professional baseball players gave the following data for home run percentages.
- Please answer questions D and E for meUse the following information for the question. A group of home gardeners want to test whether the type of soil used to grow heirloom tomatoes has an effect on the number of tomatoes harvested. Gardeners randomly assigned tomato plants to be grown in soil with no fertilizer, commercial plant food, and homemade compost. All other growing conditions were kept the same. Forty plants were assigned to each group. At the end of the growing season the number of tomatoes harvested was counted. Assume that all other conditions for the ANOVA test have been met.State the null and alternative hypothesis.A sample of prices for memory cards is given below: 244 194 172 184 288 210 244 234 Find the mode and the mean for this sample. If there is not mode, enter "NONE". Sample Mode Sample Mean
- A campus survey asked 750 university students which meal (breakfast, lunch, dinner) they ordered the most often from the school cafeteria. A.) What is the variable? - is it Meal? B.) What kind of variable is it? - is it ordinal? C.) What is the population of this study? Is it descriptive statistics?The number of car sales made per week for each car salesman of a company is listed below: 1, 1, 3, 4, 5, 6, 6, 6, 7, 8, 9 Calculate the median number of car sales for an employee. O 7 sales 5.5 sales O 5 sales 6 sales A circular pool is 16 feet in diameter and 48 inches deep. How many liters would it take to fill the pool? There's 0.001 cubic meters in one liter, and one inch equals 2.54 centimeters O 936.09 liters O 264.27 liters O 35469.10 liters 22773.81 litersForty students took a 50 point computer science test. The scores are shown in the stem and leaf plot: 0l1 7 1|1 1 4 6 210 2 5 8 8 9 312 6 9 414 6 8 510 0 What is the third quartile of the scores? O41 O 44 O 39.5 43.5 O 41.5