2. The instructor claims that her student's mean score for the Final Term Examination is not lower than 50. a. Claim: b. Но c. Analysis:

Q: Calculate the mean of the following values: 3, 36, 11, 44, 46, 8, 10. Answer rounded to the nearest…

A: Given : Values (X) : 3 , 36 , 11 , 44 , 46 , 8 , 10 Sample size (n) = 7

Q: Suppose the degree of student in exams was (70,57,60,75,80,58,90), calculated mean for grouped data…

A: See the attachment

Q: 3 Calculate the Standand deviationA 25 vand to hundredths. 16/719

A: Concept : The standard deviation of a data is σ = 1N∑i=1i=Nxi-μ2    where xi is given data and N is…

Q: 3.) I want to estimate the mean number of minutes that a 7-year-old watches TV daily. How many kids…

A: We have to find sample size....

Q: find geometric mean for giiven data 54,45,85,63,96,75,12,3,65,19,85

A:

Q: A Seattle consumer agency believes that plumbers’ rates are too high and wants to estimate the mean…

A: GivenConfidence Interval(c)=95%Margin of Error(E)=3%=0.03Let…

Q: Find the weighted mean of the number of sheets on a roll of toilet paper: 7 brands have 22 sheets on…

A:

Q: What is the result of 2.58×0.12, including correct significant figures?

A: Given, 0.58*0.12

Q: are: 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. What are the lower and upper control limits…

A: Number of samples k= 5 Number of observations per sample n= 4 The standard constants for the control…

Q: 2. The mean salary of ten employees is Php 32,000 and the median is Php 30,000. The highest-paid…

A: Given: Number of employees n = 10 Mean salary = Php 32,000 Median salary = Php 30,000 Pay raise for…

Q: Compute the mean of 26, 66, 38, 10, 27, 81.

A: mean=∑Xii=1nn

Q: Sales representatives earned these commissions last month: PhP 4377.47, PhP 3183.76, PhP 1970.16…

A:

Q: A quiz consists of 30 true or false questions if the student guesses on each question what is the…

A: According to the provided information, n=30 Since the questions are true or false type questions.…

Q: Imagine that the pregnancy test accurately indicates pregnancy in 97.5% of the people who have it.…

A: The miss rate will be 2.5%

Q: Compute the mean of 45, 23, 78, 27, 19, 12, 62.

A: Given : X = 45, 23, 78, 27, 19, 12, 62 n = 7 We want to find mean.

Q: The mean score of a girl in 3 tests is 68. What should her mean score in 2 remaining tests be in…

A:

Q: A study showed that the cost of buying a basket of 40 slipper items was 6500 in Laguna, 4,300 in…

A: Given: Cost of buying a basket of 40 slipper item in Laguna =6500 Bataan=4300 Mandaluyong=5700…

Q: 33. Say the computed measure of associati following is(are) TRUE about the relationship and quality?

A: The correlation coefficient value will always lies between 0 and 1 r = cov(x,y)σxσycov(x,y) =…

Q: It is considered quite common to have feet of unequal length. In a sample of 10 healthy college…

A:

Q: 5. Compute the point estimate for the difference in the proportion of orange colored pieces between…

A: We want to find the point estimate for the difference in the proportion of orange colored pieces…

Q: Calculate Harmonic mean from the indiviusal observations given below : ba sei hee 50, 60, 70, 80,…

A:

Q: Compute the geometric mean from the following data : 10, 110, 120, 50, 80, 60, 52, 37.

A:

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 48, 15, 25 Round your…

A: We have to find the standard error of the mean.

Q: _9. The mean annual income of workers who are college graduates is greater than Php 100,000 a year.

A: here use basic of hypothesis testing

Q: 7) A researcher at a major hospital wishes to estimate the proportion of the adult population of the…

A: Given that, Critical value: Using the z-table, the critical value at 99% confidence level is

Q: The mean monthly starting salary for 12 randomly sampled business school graduates is Php35400. If…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 14, 15, 25 Round your…

A: Given data: 45, 34, 65, 14, 15, 25 n = 6 To calculate: Compute the standard error of the mean

Q: A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more…

A: Claim: the mean life of the battery for a certain model of laptop is more than 5 hours.

Q: 50, the mean number of partners reported was 1.049 (sd=1.89). Is it reasonable that the mean number…

A: here sample size  = 3636         sample mean  = 1.049         sample standard deviation = 1.89 here…

Q: Lisa has entered a 95% condensate interval number (132,144 What is the estimate of the mean

A: Given 95% confidence interval for mean is (132, 144). The estimate of the mean is, Mean=132+1442…

Q: Given that the mean number of centuries scored per player is 1.95, find the value of k.

A:

Q: Suppose that the mean score of 28 students (in a class of 30 students) in a quiz is 28. What should…

A:

Q: Does the mean of this sample equal 98.6, the number that is generally considered the average body…

A: Given data: 97.6, 98.8, 98.0, 97.0, 99.2, 98.6, 98.4, 97.4 We have to check mean of this sample…

Q: What is meant by the given statement: "If Senator Sotto walked into the employees’ union meeting…

A: By the given statement it is meant that income of Senator Sotto is quite high so that if he enters…

Q: Compute the mean of 73, 65, 79, 80, 57. Round to 2 decimal places as needed

A: Mean of 73,65,79,80,57.

Q: The highway department wants to estimate the proportion of vehicles on a Highway at KM 25 between…

A: Population proportion is a fraction of population that is of interest. The value of proportion is…

Q: Compute the mean of 55, 88, 98, 86, 32, 29. Round to 2 decimal places as needed

A:

Q: hat is the mean of X, the number of patients seen until an injection-site reaction occurs? 3.1289…

A: Given:- Percentage of number of patients experiencing injection site reaction with needle =11%.…

Q: 24. The National Education Association (NEA) states that the national mean salary of public school…

A:

Q: For the month of April a checking account has a balance of $564 for 23 days, &2466 for 3 days, and…

A:

Q: In a survey, 18 people were asked how mue roughly bell-shaped with a mean of $30.2 would spend on…

A:

Q: what is the range for the following set of scores: 30,50,22,39,55?

A: Given data set, 30,50,22,39,55 Range =?

Q: Suppose that the mean score of a class of 34 students was 78. The 17 male students in the class had…

A: The mean score of class of 34 students was 78.

Q: Suppose the mean miles per gallon for a sample of 70,000 new cars and light trucks sold in the…

A: The size of the sample  = 70000 new cars and light trucks

Q: Compute the mean of 30, 70, 83, 41.

A: Let X={ 20,70,83,41}   Mean= Sum of terms / No. of terms Mean= (30+70+83+41) / 4 Mean= 224/4 Mean=…

Q: 6. The mean value of a 2005 Honda Accord is $8200, with a standard deviatic of $1300:

A: (d) The corresponding z-value needed to be computed is: Therefore, we get that By using the…

Q: The average monthly salary of 86 employees has been calculated as ¢1516. Employee No. 87 earned…

A: From the provided information, The average monthly salary of 86 employees = ¢1516 Employee No. 87…

Q: A fast food restaurant boasts that their mean wait time in the drive-thru line is less than 3…

A: Given Information: Number of customers n=125 Sample mean wait time x¯=2.82 Population standard…

Q: Suppose you go to the grocery store and spend $61.85 for the purchase of 14 items. What is the mean…

A: 6. The mean is the average value of the data set and is computed by summing up all the observations…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: Given Data and calculation for GPA is shown below