you could invent

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on vocabulary words:
No of characters: 476.0 444.711560045 107% => OK
No of words: 122.0 116.580246914 105% => OK
Chars per words: 3.90163934426 3.81502700369 102% => OK
Fourth root words length: 3.32345618554 3.28032121604 101% => OK
Word Length SD: 1.9094666497 1.8723322822 102% => OK
Unique words: 81.0 76.076318743 106% => OK
Unique words percentage: 0.66393442623 0.655143326166 101% => OK
Syllable count: 149.4 141.574747475 106% => OK
Avg_syllables_per_word: 1.2 1.21358024691 99% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0689931517961 0.0738818816272 93% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 2.0 3.20202020202 62% => OK
Average paragraph length: 61.0 60.3232687746 101% => OK
STD paragraph length: 32.0 17.3634065801 184% => OK
Average paragraph duration: 23.065 22.9064221017 101% => OK
STD paragraph duration: 13.045 6.49597621602 201% => The duration of acoustic paragraphs changes often.

Acoustic performance on sentences:
How many acoustic sentences: 38.0 31.1548821549 122% => OK
Average acoustic sentence length: 3.21052631579 4.0588447711 79% => OK
STD acoustic sentence length: 2.39690474458 3.18357895611 75% => OK
Average acoustic sentences duration: 1.11842105263 1.46810986539 76% => OK
STD acoustic sentences duration: 0.685678788984 1.01537252472 68% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 38.0 28.6644219978 133% => It means the content is not pronounced smoothly or it is pronounced slowly. It is word by word.
Total acoustic silence duration: 6.53 5.28593714927 124% => It may have a lot of silences or every silence is too long.
Average acoustic silence duration: 0.171842105263 0.187982170178 91% => OK
STD acoustic silence duration: 0.110664387443 0.154715141812 72% => OK

Acoustic performance on acoustic words:
Total word duration: 34.67 35.408047138 98% => OK
Average word duration: 0.284180327869 0.306236595465 93% => OK
STD word duration: 0.144505035161 0.198589292138 73% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 4.0 6.3164983165 63% => OK
Total_disfluencies_duration: 2.73 5.14435465769 53% => OK
Total acoustic noise duration: 3.22 2.80480359147 115% => OK

Acoustic rates:
Total speech duration: 46.13 45.0716498316 102% => Need to finish the speech on time.
Compare to expected duration: 1.02511111111 1.00159221848 102% => OK
Rate of silence: 0.82375894212 0.637764685501 129% => Less acoustic silences wanted.
Rate of speech: 2.64469976154 2.58495923209 102% => OK
Rate of speech by unique words: 1.75590721873 1.68816559523 104% => OK
Rate of word duration by unique words: 2.33631381598 2.15290372801 109% => OK
Average articulation rates: 0.427580680328 0.343871460585 124% => OK

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Maybe the speech is too long. It should be in 45 seconds.

Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.