Calculate the mean deviation of the following simple sales series (units) A) 4,53 B) 5,93 C) 5.51 D) 4.75
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6 - Calculate the
A) 4,53
B) 5,93
C) 5.51
D) 4.75
E) 2.56
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Solved in 2 steps
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- 370,415, 460,460,469,610,648, 729,1175 For this set of data, A) mathematically are there any outliers? Of so justify B) what is the poplulation standard deviation C) what would the value for 1.5 standard deviation above the mean?The quarterly returns for a group of 67 mutual funds with a mean of 1.1% and a standard deviation of 5.9% can be modeled by a Normal model. From these funds, find the cutoff return value(s) that would separate the a) highest 30%. b) lowest 40%. c) middle 60%. d) highest 60%. Question content area bottom Part 1 a) Select the correct choice and fill in any answer boxes in your choice below. (Round to two decimal places as needed.) A. enter your response here%less than<xless than<enter your response here% B. xless than<enter your response here% C. xgreater than>enter your response here%The annual capacities of 20 different cement producing factories are given below. Accordingly, calculate the arithmetic mean, mode, square, standard deviation and coefficient of variation based on the data of the cement industry in the series below. Interpret the values you have calculated. Capacity(1000 tons/year) Number of Factories 2–4 6 4–6 9 6–8 4 8–10 1
- Data collected in 2019 showed that on average household in Malaysia earn RM6500 per month. The distribution of the Malaysia household income is approximately normally distributed with standard deviation RM1020. Without referring to R or statistical table, answer the questions below based on the given information. You must show proper steps or explanation. a) Approximately how many percent of Malaysia household earn less that RM3440 per month? b) What is the minimum earning of Malaysia household with the top 2.5% income?In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered: East West n1= 40 I1=72 (in $1000s) 2= 78 (in $1000s) 51 =6 (in $1000s) n2= 45 s2 = 8 (in $1000s) Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use a = .05. At 95% confidence, use the p-value approach and test to determine if the average a. b. yearly income of marketing managers in the East is significantly different from the WestCheckout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.8 6.1 11.5 11.1 11.1 13.5 6.2 7.7 7.1 12.3 13.6 13.7 a. Find the mean of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.) b. Find the standard deviation of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.) ncer Due A ent As DAY DEC
