sales by regular and promotion customers. It appears that customers taking advantage of the promotional coupons spent more on average. The mean amount spent by regular customers is $61.99 versus $ 84 by promotional customers. The relative frequency of regular and promotional customers is 30% and 70% respectively. Net Sales by Customer Type Regular Promotions Mean
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An Action Research The Effect of Computer-based Mathematics on Problem Solving Contact Information: Daisy T. Emanuel 3rd Grade Teacher Sadie Tillis 1 Contents Chapter 1: An Overview…………………………………………………….3 Chapter 2: Introduction……………………………………………………...4 Chapter 3: Literature Review ...……………………………………………..5 Chapter 4: Description of Research Method………………………………...9 Chapter 5: Results…………………………………………………………...8 Chapter 6: Discussion………………………………………………………14 Chapter 7: Conclusion……………………………………………………
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n=50 | | | | | | | | | | Mean= 43.74 | Std Dev=14.64 | | Q1=30 | Median=42 | | Min=21 | | Q3=55 | Mode=55 | | Max=67 | | Range=46 | Based on the table and histogram, the range of customer’s income is $46,000, with the highest income at $67,000 and the lowest at $21,000. The mean (average) income of a customer is $43,740. The median income is $43,000. Because the median is less than the mean, distribution is skewed to the right. This means the bigger portion of customers have
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The state with the lowest production of milk is Tasmania contributing only approximately 3% of to the total milk production in 2007-08. QUESTION 4 Net profit after tax ($000) Descriptive Statistics | | Mean | 1105558.87 | Standard Error | 350420.60 | Median | 258170.50 | Mode | #N/A | Standard Deviation | 2575055.01 | Sample Variance | 6630908324092.04 | Kurtosis | 21.74 | Skewness | 4.38 | Range | 15812994.00 | Minimum | -3594.00 | Maximum | 15809400.00 | Sum | 59700179
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Part A: Multiple Choice (1–16) Using the following information to answer questions 1-8: 2 1 3 0 1 2 0 5 1 4 What is the mean? a) 1.90 b) 2.11 c) 1.73 d) 1.66 What is the median? a) 1.00 b) 1.50 c) 1.60 d) 1.90 What is the mode? a) 0 b) 1 c) 2 d) 3 What is the range? a) 1 b) 4 c) 5 d) 3 What is the variance? a) 1.66 b) 2.77 c) 1.76 d) 3.11 What is the standard deviation? a) 1.66 b) 2.77 c) 1.76 d) 3.11 What
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Variable Count N N* CumN Percent CumPct Mean SE Mean TrMean StDev C1 50 50 0 50 100 100 3.420 0.246 3.341 1.739 Sum of Variable Variance CoefVar Sum Squares Minimum Q1 Median Q3 C1 3.024 50.85 171.000 733.000 1.000 2.000 3.000 5.000 N for Variable Maximum Range IQR Mode Mode Skewness Kurtosis MSSD C1 7.000
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2 Question 1: From the data below calculate the median, the upper quartile and the lower quartile. 7, 48, 50, 16, 44, 42, 8, 40, 44, 42, 37 Explain the significance of using medians and quartiles in business context of decision making. (Criteria 2.1) [Grade Descriptor M1] A: Median 7,8,16,37,40,42,42,44,44,48,50 formula=n+12 = 11+12 = 122 = 6th Median = 42 Upper quartile
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describe the length of labor in this study? Where these appropriate? The mean and standard deviation were used to describe the length of labor of for both group the control and experimental group. I agree these were appropriate measures of statistics. 3. What other statistics could have been used to describe the length of labor? Provide rationale for your answer. In my opinion in addition to the mean and standard deviation, the mode could be used in this study to also describe the length of labor. It
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Teaching Statistics and Probability is great for promoting problem solving and critical thinking, enhancing communication, developing number sense, and applying computation. As it applies to every day situations and appeals to our sense of fairness, it is very close in nature to inquiry based learning. Children encounter ideas of statistics and probability outside of school every day. The data students see are often represented graphically, statistically, or probabilistically. Weather reports are
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QNT/351 Final Examination Study Guide This study guide prepares you for the Final Examination you complete in the last week of the course. It contains practice questions, which are related to each week’s objectives. Highlight the correct response, and then refer to the answer key at the end of this Study Guide to check your answers. Use each week’s questions as a self-test at the start of a new week to reflect on the previous week’s concepts. When you come across concepts that you are unfamiliar
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