You’re interested in calculating the standard deviation of the exam scores of a national standardised test to see if many people scored close to the mean or not. Use the following dataset. Test Taker Score 1 20 2 40 3 60 4 60 5 75 6 80 7 70 8 65 9 70 10 90

Answer:  1. constructive criticism is a type of feedback that offers advice to help employees, it helps  employees to improve

2. cool feedback is not a criticism  it actually  to think from a different perspective

3. warm feedback is a positive statement about anything

Explanation:

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When practicing an extemporaneous speech out loud, there are multiple reasons why it can be beneficial. The following options highlight some of these reasons:

- It can provide the opportunity for audience feedback: Practicing your speech aloud allows you to gauge the audience's reaction and adjust your delivery accordingly. This feedback helps you refine your message and connect better with your listeners.

- It can help you master the content of your speech: Speaking your speech out loud helps you internalize and understand the material more effectively. It allows you to identify areas that may need further clarification or improvement, enabling you to refine your content and delivery.

- It can help you time your speech accurately: By practicing your speech out loud, you can gauge the timing and ensure that you stay within the allocated time limit. It helps you pace yourself and maintain a consistent flow, avoiding rushing or exceeding the time constraints.

Note: "It can help you memorize the exact words of a speech" is not a valid reason for practicing an extemporaneous speech out loud since extemporaneous speeches are not meant to be delivered word-for-word memorized. Instead, they rely on a prepared outline or key points, allowing for flexibility and spontaneity in the actual delivery.

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(e) K. Let's solve the problem step by step to find the answer.

Let's assume the two numbers are x and y, where x is the smaller number and y is the larger number.

According to the given information:

1. x + y = K

2. 2x = (1/2)y

To solve for x and y, we can rearrange equation 2 to get y in terms of x:

y = 4x

Substituting this value of y in equation 1, we have:

x + 4x = K

5x = K

x = K/5

Now, we can substitute the value of x back into equation 2 to find y:

2(K/5) = (1/2)y

K/5 = (1/2)y

y = (5/2)(K/5)

y = K/2

So, the two numbers are x = K/5 and y = K/2.

The two equal numbers obtained by doubling the smaller number and halving the larger number are:

2(K/5) = (2/5)K

(1/2)(K/2) = (1/4)K

The sum of these two equal numbers is:

(2/5)K + (1/4)K = (8/20)K + (5/20)K = (13/20)K

Therefore, the answer is (e) K.

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In the third movement of Haydn's Trumpet Concerto in E flat major, he signals the start of the variation on theme b by introducing a new melody that is distinctly different from the previous one. This melody is played by the orchestra in unison, with a lively and energetic tempo that sets the stage for the variation to come.

Additionally, Haydn uses a number of other techniques to signal the start of this variation. For example, he changes the key of the piece from E flat major to C minor, which creates a sense of tension and anticipation. He also introduces new instrumentation, such as the use of the bassoon, which adds a rich and complex texture to the music.Another way that Haydn signals the start of the variation on theme b is through the use of dynamics.

He gradually increases the volume of the music, building up to a crescendo that signals the arrival of the new melody. This creates a sense of excitement and anticipation, drawing the listener in and preparing them for the variation to come.Overall, Haydn employs a variety of musical techniques to signal the start of the variation on theme b in the third movement of his Trumpet Concerto in E flat major.These techniques include changes in melody, key, instrumentation, and dynamics, all of which work together to create a sense of excitement and anticipation as the music unfolds.

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Haydn signals the start of the variation on theme B in the third movement of his Trumpet Concerto in E-flat major by using a change in orchestration, rhythmic alteration, and melodic development.

First, Haydn changes the orchestration, which is the way instruments are used in the music. The trumpet takes a more prominent role, playing the melody while the rest of the orchestra provides accompaniment. This shift in instrumental focus draws attention to the new theme.

Second, Haydn employs rhythmic alteration to introduce variation on theme B. Rhythmic alteration means changing the note values or adding rhythmic embellishments to the original theme. Haydn modifies the rhythm of theme B to create a sense of contrast and development from the previous theme. This rhythmic transformation also helps to emphasize the beginning of the new variation.

Lastly, Haydn incorporates melodic development in the variation on theme B. Melodic development is the process of expanding, transforming, or reworking an existing melody. In this case, Haydn takes theme B and introduces new melodic ideas, further enhancing the sense of change and progression in the music. This melodic development helps to distinguish the variation on theme B from the original theme and signals the start of this new section in the third movement of the Trumpet Concerto in E-flat major.

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