Math

StatisticsQ&A LibraryThe following are prices of a sanitizer sold at a few selected stores in a District A during the COVID-19 pandemic. Based on the sample data, at 0.05 level of significance, can we conclude the average price of the sanitizer in District A is RM10.50? Make your conclusion using the p-value approach, with the aid of Mic. Office EXCEL. RM10.00, RM11.50, RM9.70, RM11.20, RM10.70, RM10.20, RM9.70Start your trial now! First week only $4.99!*arrow_forward*

Question

The following are prices of a sanitizer sold at a few selected stores in a District A during the

COVID-19 pandemic. Based on the sample data, at 0.05 level of significance, can we

conclude the average price of the sanitizer in District A is RM10.50? Make your conclusion

using the p-value approach, with the aid of Mic. Office EXCEL.

RM10.00, RM11.50, RM9.70, RM11.20, RM10.70, RM10.20, RM9.70

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: Assume a population of 48, 52, 54, and 57. Assume that samples of size n=2 are randomly selected wit...

A: a. From the given information, Sample Median for each sample 48 48 48 54 48 ...

Q: 1) According to Consumer Expenditures, the average consumer spent $1729 on apparel and services in 2...

A: Given information- Population mean, μ = $1729 Sample size, n = 36 Sample mean, x-bar = $1667.11 Samp...

Q: Previous studies have suggested that human body temperature is normally distributed with a mean of 9...

A: The result of the previous study on human body temperature is as follows Population mean = 98.6 °F P...

Q: There are 10 members on a board of directors. If they must elect a chairperson, a secretary, and a t...

A: Click to see the answer

Q: An organizational psychologists measures levels of job satisfaction in a sample of 30 partcipants. T...

A: Given information Sample size(n) = 30 SS = 120 a) Degrees of freedom for the variance = n – 1 = 30 –...

Q: The Willow Run Outlet Mall has two Haggar Outlet Stores, one located on Peach Street and the other o...

A: Click to see the answer

Q: help please

A: Let X denote the number of dogs.

Q: A scatterplot of two variables is a picture of the relationship represented in a correlation. Group ...

A: Scatterplot: Scatter plot is a graphical representation of relationship between two variables. Each ...

Q: A dietitian wishes to see if a person’s cholesterol level will change if the diet is supplemented by...

A: The given data set is: Before After Before-After 210 190 20 235 170 65 2...

Q: Approximate the measures of center for following GFDT. Data Frequency 50 - 54 2 55 - 59 1 ...

A: Click to see the answer

Q: The International Air Transport Association surveys business travelers to develop quality ratings fo...

A: The given information is that the international air transport wants to develop the quality ratings f...

Q: Can you please show your work or how to do this on a TI84 calculator

A: From the information, Mean value is $140 and population standard deviation is $15.2. Sample size =60...

Q: The table below represents the probability density function for the random variable X. Find the stan...

A: Solution: From the given information, the probability density function for the random variable X is

Q: Researchers were interested in the relationship between the number of prescription medications (x) t...

A: Develop an estimated regression equation for the data of the form: y=mx+b: Let x represent the numb...

Q: How many 5-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits...

A: It is given that there are six digits 1, 2, 3, 4,5, 6 and 7 and to form five digit number and the re...

Q: The table below shows the soft drinks preferences of people in three age groups. If one of the 255 s...

A: Click to see the answer

Q: airliner carries 350 passengers and has doors with a height of 74 in. Heights of men are normally di...

A: Click to see the answer

Q: 12) Use the confidence interval to find the estimated margin of error. Then find the sample mean. ...

A:

Q: In a recent court case it was found that during a period of 11 years 851 people were selected for gr...

A: Given: Number of people selected for grand jury (n) = 851 Proportion of same ethnicity in the grand ...

Q: Sociologists say that 85% of married women claim that their husband's mother is the biggest bone of ...

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to ou...

Q: Questions 7-11. An online poll of 810 adults found that 53% of the respondents think critical thinki...

A: Population: A population is the collection of all possible events for an experiment.

Q: Questions 7-11. An online poll of 810 adults found that 53% of the respondents think critical thinki...

A: It is given that:

Q: Explain the concept of sampling distribution, standard errors, and statistical inference?

A: Infer means conclusions. Statistical inference draws conclusion about a given population or other co...

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe t...

A: Click to see the answer

Q: The daily price of orange juice 30-day futures is normally distributed. InMarch through April 2007, ...

A: From the given information, let X be the daily price of orange. Here, X follows normally distributio...

Q: An investigator theorizes that people who participate in a regular program of exercise will have low...

A: Given information- We have given two sample of Exercise group and No-exercise group. I have calculat...

Q: For a two-tailed hypothesis test evaluating a Pearson correlation, what is stated by the null hypoth...

A: We test the population parameter in the hypothesis testing.

Q: 1. The data in Table 7–6 were collected in a clinical trial to evaluate a new compound designed to i...

A: This example is related to Chi_square test of independence. Null Hypotheses : Treatment and percent ...

Q: The doors on some airplanes are made to be 72 inches high. Given that the heights of men are normal...

A: Given information- Population mean, μ = 69.4 in Population standard deviation, σ = 2.4 in Let X is a...

Q: Over 500 million tweets are sent per day (Digital Marketing Ramblings website,December 15, 2014). As...

A: Given information No of tweets sent per day, n = 500 Average tweets during his lunch, λ = 7

Q: S, inc., selects 2OCKS purpose eveloping ts ex of SLOCK narket benavior. Prices per snare for d yea ...

A: Click to see the answer

Q: 1)Fawns between 1 and 5 months old in Mesa Verde National Park have a body weight that is approximat...

A: Let X be the body weight of fawn between 1 and 5 months Given: Population mean (μ) = 27.2 Population...

Q: For a normal random variable with mean 19,500 and standard deviation 400,find a point of the distrib...

A: Click to see the answer

Q: Statistics Question

A: Click to see the answer

Q: A random sample of 520 adults was surveyed and it was found that 130 of them exercise at least once ...

A: Given information- Sample size, n = 520 We have given that out of 520 adults was surveyed and it was...

Q: Since 1999, The Harris Poll has conducted an annual survey to measure the reputations of the most vi...

A: Giventotal number of US adults = 242.8 milliontotal sample size = 23000 a)The percentage of total nu...

Q: A researcher wants to study the relationship between salary and gender. She randomly selects 220 ind...

A: The observed value (Oi) is: Income Male Female Total Below 25000 17 16 33 2...

Q: You may need to use the appropriate technology to answer this question. The better-selling candies a...

A: State the hypotheses. That is, all the populations of calories are identical. That is, not all t...

Q: The accompanying data are the length (in centimeters) and girths (in centimeters) of 12 harbor sea...

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to ou...

Q: The average income of 15 randomly selected families who reside in a large metropolitan East Coast ci...

A: Step 1: Let µ1 be the true population average income of the families who live in the cities. Let µ2 ...

Q: Statistics Question

A: From the given information, the confidence level is 82%. The significance level is 1-0.82=0.18 and t...

Q: Question 67

A: As you have asked for question 67, I am solving only that question.

Q: A certain breed of mouse was introduced onto a small island with an initial population of 320 mice, ...

A: a) Consider a function N(t) = abt, where t is number of year, a is the initial population and b is g...

Q: In 2003, there were 5,732 deaths from car accidents in France.10 The population of France is 59,625,...

A: Click to see the answer

Q: Assume that a simple random sample has been selected from a normally distributed population and test...

A: Let μ represent the population mean length of the hit songs. Null hypothesis, H0: μ ≤ 210 seconds. A...

Q: Statistics Question

A: Given, Sample size=1910 Point estimate=26% Margin of error =3% Therefore the Confidence interval is ...

Q: Use the given data to find the minimum sample size required to estimate the population proportion. M...

A: Given that, Margin of error If the prior information is unknown, assume that the value of sample pr...

Q: True or False? Assume a researcher recruits 150 African American and Caucasian individuals taking wa...

A: Here, the sample means of 1st and 2nd samples are 6.1 and 4.3 respectively. Sample standard deviatio...