If a distribution of scores is shown in a bar graph, you know that the scores were measured on aln). scale of measurement.

Q: For a qualitative data set, what is a a. frequency distribution?b. relative-frequency distribution?

A:

Q: Give an example for each measurement level by briefly explaining the measurement levels of the…

A: There are 4 measurement of variables. They are  Nominal Scale: Numbers in the variable are used only…

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: The rivers data set contains the length of 141 major rivers in North ica. Fit this distribution…

A: Given information: The rivers dataset is given in R – software.

Q: What additional information is obtained by measuring two individuals on an interval scale compared…

A:

Q: If you are told only that you scored in the 80th percentile, do you know from that description…

A: p-th percentile means that there are p% of the values are less than that value. Here, you scored in…

Q: The mean of a distribution is 23, the median is 24 and the mode is 25.5. It is most likely that this…

A:

Q: 6. After calculating the relative frequencies for a frequency distribution, what should the sum of…

A: Since you have posted multiple questions, as per our guidelines we have provided answer for first…

Q: What are your conclusion (interpretation) from frequency distribution tables and graphs for the…

A: Given frequency distribution and a table of information about the students.From Frequency…

Q: If you have the following observations: 13, 9, k, 1, 19, then their median value must be . ...

A: Enter the data in the excel. Use the formula, MEDIAN(select data value)

Q: Based on this histogram, draw the ogive (the cumulative relative frequency polygon) for the data.

A: By using the given histogram, the cumulative relative frequency is, Selling time Relative…

Q: 9. Indicate which level of measurement is being used in the given scenario. The teacher of a class…

A: Scale of measurement.

Q: A survey of 18 people is carried out to understand about their working life. The results are shown…

A:

Q: frequency distribution o

A: The frequency distribution is representation of data in tabular form. first we arrange the…

Q: If a housing researcher, the town’s mayor, your neighbor, and your mailperson all agree that average…

A: Validity can be defined as the extent to which a test actually measures what it purports to measure.…

Q: Below are diagrams of three different species distribution patterns, random, clustered, and uniform.…

A: Solution It is given as

Q: When establishing the differences between histogram and polygon: a) Which of the two diagrams is…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: provide three different situations  to illustrate how a different measure of ceuntral tendency is…

A:

Q: For the distribution as shown: Determine the 6th decile

A: Given, class f cumulative frequency (cf) 3-6 4 4 6-9 10 10+4=14 9-12 12 14+12=26 12-15 9…

Q: If educational level is measured as "Did not graduate from high school" and "graduated from high…

A: The level of measurement is Ordinal Scale. The ordinal type of measurement allows for rank order by…

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: Let us measure the degree of relationship between the sex and scores of 20 students. Let Male = 0…

A: Given information: The data represents the scores of 20 students. Among the 20 students some are…

Q: s NOT a difference between a bar graph and a hist Histograms use bars of equal widtl Histograms…

A: Histogram use bars of equal width.

Q: Which piece of data is NOT categorical? O Your fastest running speed O Your favorite TV show O Your…

A: We have to find which piece of data is not caterogical.

Q: The sample mean or sample proportion is unbiased estimator to the population proportion in case of…

A: The sample mean or sample proportion is unbiased estimator to the population proportion in case of…

Q: Draw a frequency histogram and provide a brief description of the distribution's shape

A: Introduction :-  For given data we have to draw histogram and to give information about shape of the…

Q: Is the result consistent with the 31% rate that is reported by the candy maker?

A: Null Hypothesis: H0: The proportion of red candies is equal to 31% Alternative Hypothesis: H1: The…

Q: For paired observations, the value of the average difference is?

A: Detaild Explanation Given In Attached File kindly Refer.

Q: Suppose you have data on plant heights with a sample sie of 115. In the dataset, maximum height is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The heights (at the shoulders) are: 600mm, 470mm, 170mm, 430mm and 300mm. Find out the Mean, the…

A: Here, x x-x (x-x)2 600 206 42436 470 76 5776 170 -224 50176 430 36 1296 300 -94 8836…

Q: How long is the median relating to the 10 cm side in a triangle with sides of 6, 7 and 10 cm?

A: The Median is approximately 5.91

Q: In a bar chart, unlike in a histogram, the bars do not abut. Give a possible reason for that.

A: In a bar chart, categorical or qualitative data is compared. The bars in a bar graph are presented…

Q: You are given the following set of observations:  98, 77, 26, 33, 88, 90, 79, 81.  What would be the…

A: Here, we have 8 observations, where if the observations are represented by x1,x2,...,x8, then the…

Q: Which of the following bar graphs best represent the trend on the relative resolution rate between…

A: Given information: The bar graph that represents the information of particle size and dissolution…

Q: An instructor recorded the following number of correct items (in a quiz with 10 questions) for the…

A: Here we had given that exam is multiple choice exam and the score is our variable. We had given 12…

Q: Using the Manhattan distance between pairwise observations, which observations are most similar?

A: Solution : Manhattan distance d = |x2 – x1| + |y2 - y1 |for observation 1)d = |3-1|=2for observation…

Q: A die was rolled 360 times and the results were: No. of Spots (outcomes) Frequency 1 54 2 70 58 62…

A: The number of times a die is rolled=360 No. of spots(Outcomes) Frequency 1 54 2 70 3 58 4…

Q: Which of the following bar graphs best represent the trend on the relative resolution rate between…

A: Graph H suitably represent the trend on the relative resolution between different liquids and…

Q: sets have the same mean and range, but is the ume the data were obtained from samples.

A:

Q: If too large a scale is used on a graph, it can be misleading when trying to interpret the data. O…

A: True.

Q: Dr. Thomas graduated from West Virginia University with a code value = 1 while Professor Harrison…

A: Nominal level: It consists of only categories in which the data cannot be arranged in specific…

Q: The mean heignt Of male College Studen ts in a large eity is 68 Inches and the Starder d deviotion…

A: Given information- Population mean, µ = 68 inches Population standard deviation, σ = 15.5 inches…

Q: Students from undergraduate class were asked to rate how fearful they were o the Biochemistry…

A: (a) For Males Given Information: Scale (x) Frequency (f) 5 1 7 2 10 1 Total 4 Mean is…

Q: Construct a frequency and relative frequency distribution table: (Round relative frequences to 2…

A:

Q: For qualitative data, pie charts are not a great tool for comparing proportions. Select one: O True…

A: We have given that an statement about to qualitative data. We need to find out that the given…

Q: The lengths of 40 leaves of a plant are measured correct to the nearest milimeter. Less than…

A: Here, N2=402=20. So, the cf just greater than 20 is 29. Then, the median class is 145-153.…