- It is claimed that the daily number of New Covid19 cases in a province is more than 250. To test the claim, the 10-day case numbers were examined and the following results were found. Number of cases 200 210 220 230 235 243 245 252 255 260 find the mean    a) 230  B) 245  NS) 235  D) 240  TO) 250

Q: a. A student performance in certain exam was 10/100, later he got a 98/100, discuss which is better…

A: Range is better than mean to reflect his performance because the mean of the two scores will not…

Q: A population consists of the following scores:                      12           1          10…

A: Given data, 12,1,10,3,7,3

Q: A researcher wishes to determine whether there is a difference in the average age of middle school,…

A:

Q: LeBron James' scores in the last 2018 NBA finals are as follows: 35 46 31 44 29 42 17 27 35. What is…

A: Given dataset is : 35,46,31,44,29,42,17,27,35

Q: It is claimed that the average number of vehicles using a mall’s parking lot each day is 244…

A: Given: μ0=244, α=0.01 It is required to test whether the collected data present sufficient evidence…

Q: 3. A researcher wants to count the number of apps people have downloaded on their phones. Here is…

A: Enter the given data in EXCEL sheet as shown below:

Q: 5. a) c) If a student scored 85th percentile score in a test, then what percentage of students…

A: From the given information ,If a student scored 85th percentile score in a test , then we have to…

Q: 6. The number of points scored by the USC Gamecock football team for the 11 games in are displayed…

A: As per our guidelines we are suppose to answer three sub parts. Given data…

Q: 10. Which is more important: Grades, Sports, or Popularity? 497 middle school (grades 4 to 6)…

A:

Q: As shown in the Crime Watch article of the local newspaper, 37% of the crimes in the county in the…

A: Given:  As shown in the Crime Watch article of the local newspaper, 37% of the crimes in the county…

Q: Approximately 10% of all people are left-handed. Consider 17 randomly selected people. a.) List the…

A: Here, the random variable follows binomial distribution with n=17 and p=10%. a) Therefore, the…

Q: 1. Compute z-scores. 1. Enter the following data into Jamovi. wwwwwwwwww Exam Grades 78 89 71 75 90…

A: ### Step 1: Calculate the Mean (μ)  : To find the mean (μ), sum all the exam grades and divide by…

Q: of this blend of coffee were purchased on six consecutive days from each of the six cups (measures…

A: Given, 550 354 401 610 350 358

Q: 5) If n1 =n2=n3=10, ӯ1=500, ӯ2=500 and ӯ3=500 then combined mean is equal to_________

A:

Q: A city expressway with four lanes in each direction was studied to see whether drivers preferred to…

A: The data is as follows: Lane Count  1 294 2 276 3 238 4 192 Total 1000 H0:…

Q: Test at 0.02 level of sig. to test Ho against HA: µ > 5

A: Here use t test

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle.  The…

A: We know that SE Mean=STD DevN Then in case of Hyundai 1.34=*23⇒*=6.4264 For Toyota **=9.527=1.8283

Q: The National Highway Traffic Safety Administration reported the percentage of traffic accidents…

A: The provided information is as follows:The total number of accidents is .The level of significance…

Q: 40 blood groups ,The answer was recorded as shown below: OOABAOAAAOBOBOOAOOAAAA AB A B A A O O A O O…

A: 1. It is grouped data and the type of the data  is discrete frequency distribution. The discrete…

Q: 1)Alabama    mean = 48;  SD = 1.5       Angie  took the test in Alabama and scored 50;       Angie's…

A:

Q: 3. Random samples of four different kinds of cereal show the following number suggested serving size…

A: Anova is used to measure the mean significance between three or more groups. It is a type of…

Q: . What is the test statistic? Round to 3 decimal places. ?v= . What is the p-value? Round to 5…

A: We have to determine test-statistic and p-value.

Q: After their training run, six members of a track team split a bag of assorted doughnuts. How many…

A: We have given that  Total number of members = 6 Total number of doughnut = 6

Q: 13- a) 54.8  B) 68.5  C) 74.5  D) 57.8  E) 65.8

A: Mean is used to measure the central tendency of a probability distribution. It is also known as the…

Q: (b) Define the relationship between X and Y. (You may select more than one answer. Single click the…

A: The data shows the floor space and weekly sales.

Q: 31) A Texas survey wanted to see if only a minority of teenagers supported Gay Marriage.Suppose 120…

A: It is given that:

Q: 2) In a survey, 130 respondents in a town were interviewed regarding their marital status. Of these…

A: We have to tabulate the given data.

Q: Data was collected for 166 randomly selected 10 minute intervals. For each ten-minute interval, the…

A: The class width is ordinarily defined as the difference between the upper limit (or boundary) and…

Q: Agreed to participate Did not agree to Participate Total Contacted 20 15 35 African American 12 15…

A: a.The percentage of women overall were as follows:   Total contacted Percentage African…

Q: he numbers of state parks found in selected states in three different regions of the country are…

A: Anova is a type of parametric test. It used to determine the mean significance between the three or…

Q: Find the mean of 5,10,15,20 and 25 A) add 10 to each value and find the mean.......

A:

Q: A student receives the following yudes, with an A worth 4 points, a B worth 3 points, a C worth 2…

A: Given A=4 B=3 C=2 D=1